{"id":2080,"date":"2021-01-01T08:58:46","date_gmt":"2020-12-31T23:58:46","guid":{"rendered":"http:\/\/advanceadvance.net\/?p=2080"},"modified":"2021-01-01T08:58:50","modified_gmt":"2020-12-31T23:58:50","slug":"%e3%83%8d%e3%83%83%e3%83%88%e3%83%af%e3%83%bc%e3%82%af%ef%bc%88%e3%81%9d%e3%81%ae%ef%bc%95%ef%bc%89ip%e3%82%a2%e3%83%89%e3%83%ac%e3%82%b9","status":"publish","type":"post","link":"https:\/\/advanceadvance.net\/?p=2080","title":{"rendered":"\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff08\u305d\u306e\uff15\uff09IP\u30a2\u30c9\u30ec\u30b9"},"content":{"rendered":"\n<p>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3067\u3044\u308d\u3044\u308d\u306a\u30b5\u30a4\u30c8\u3092\u95b2\u89a7\u3059\u308b\u304c\u3001\u305f\u307e\u306b\u30a2\u30c0\u30eb\u30c8\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3068\u3001\u3044\u304d\u306a\u308a\u4f1a\u54e1\u767b\u9332\u3055\u308c\u3066\u304a\u91d1\u306e\u8acb\u6c42\u3092\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308b\u3002<\/p>\n\n\n\n<p>\u3044\u308f\u3086\u308b\u60aa\u8cea\u306a\u30b5\u30a4\u30c8\u3060\u3002<\/p>\n\n\n\n<p>\u3044\u3064\u3044\u3064\u307e\u3067\u306b\u6599\u91d1\u3092\u6307\u5b9a\u306e\u53e3\u5ea7\u306b\u632f\u308a\u8fbc\u307e\u306a\u3044\u3068\u3001\u3053\u3061\u3089\u306eIP\u30a2\u30c9\u30ec\u30b9\u304b\u3089\u79c1\u306e\u4f4f\u6240\u3092\u7279\u5b9a\u3067\u304d\u308b\u306a\u3069\u3068\u8105\u3057\u306e\u6587\u8a00\u304c\u8868\u793a\u3055\u308c\u308b\u3002<\/p>\n\n\n\n<p>\u305d\u3046\u3044\u3046\u306e\u306f\u7121\u8996\u3057\u3066\u3044\u308b\u304c\u3001\u30b5\u30a4\u30c8\u306e\u95b2\u89a7\u3092\u7d9a\u884c\u3059\u308b\u3053\u3068\u3082\u306a\u3044\u3002<\/p>\n\n\n\n<p>IP\u30a2\u30c9\u30ec\u30b9\u3067\u500b\u4eba\u306e\u7279\u5b9a\u306f\u3067\u304d\u306a\u3044\u306e\u3067\u3001\u696d\u8005\u304c\u81ea\u5b85\u306b\u62bc\u3057\u639b\u3051\u3066\u304f\u308b\u3053\u3068\u306f\u306a\u3044\u3002<\/p>\n\n\n\n<p>\u4eca\u56de\u306fIP\u30a2\u30c9\u30ec\u30b9\u306b\u3064\u3044\u3066\u89b3\u3066\u307f\u3088\u3046\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/12\/\u30a2\u30c9\u30ec\u30b9.jpg\" alt=\"\" class=\"wp-image-2084\" width=\"517\" height=\"296\" srcset=\"https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/12\/\u30a2\u30c9\u30ec\u30b9.jpg 690w, https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/12\/\u30a2\u30c9\u30ec\u30b9-300x173.jpg 300w\" sizes=\"(max-width: 517px) 100vw, 517px\" \/><\/figure>\n\n\n\n<p>\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">IP\u30a2\u30c9\u30ec\u30b9\u3068\u306f<\/h4>\n\n\n\n<p>IP\u30a2\u30c9\u30ec\u30b9\u3092\u7c21\u5358\u306b\u8a00\u3046\u3068\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306e\u60c5\u5831\u6a5f\u5668\u3092\u8b58\u5225\u3059\u308b\u305f\u3081\u306b\u6307\u5b9a\u3059\u308b\u3001<strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64<\/strong>\u306b\u304a\u3051\u308b\u8b58\u5225\u7528\u306e\u756a\u53f7\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<p><strong>\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64<\/strong>\u306b\u304a\u3044\u3066\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u3092\u8b58\u5225\u3059\u308b\u305f\u3081\u306e\u30a2\u30c9\u30ec\u30b9\u306f<strong>MAC\u30a2\u30c9\u30ec\u30b9<\/strong>\u3068\u3044\u3044\u3001\u7269\u7406\u30a2\u30c9\u30ec\u30b9\u3068\u3082\u3044\u308f\u308c\u308b\u3002<\/p>\n\n\n\n<p>\u7269\u7406\u30a2\u30c9\u30ec\u30b9\u306b\u5bfe\u3057\u3066\u3001IP\u30a2\u30c9\u30ec\u30b9\u306f\u8ad6\u7406\u30a2\u30c9\u30ec\u30b9\u3068\u3082\u547c\u3070\u308c\u308b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"710\" height=\"722\" src=\"https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/12\/\u57fa\u672c\u53c2\u7167.jpg\" alt=\"\" class=\"wp-image-2092\" srcset=\"https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/12\/\u57fa\u672c\u53c2\u7167.jpg 710w, https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/12\/\u57fa\u672c\u53c2\u7167-295x300.jpg 295w\" sizes=\"(max-width: 710px) 100vw, 710px\" \/><\/figure>\n\n\n\n<p>\u901a\u4fe1\u898f\u7d04\uff08\u30d7\u30ed\u30c8\u30b3\u30eb\uff09\u3092\u968e\u5c64\u5316\u3057\u3066\u3044\u308b\u306e\u306f\u3001\u3059\u3079\u3066\u306e\u901a\u4fe1\u3092\u4e00\u3064\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u5b9f\u73fe\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u3001\u30d7\u30ed\u30c8\u30b3\u30eb\u304c\u8907\u96d1\u306b\u306a\u3063\u305f\u308a\u3001\u8907\u6570\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u9593\u3067\u5b9f\u73fe\u3059\u3079\u304d\u6a5f\u80fd\u304c\u91cd\u8907\u3057\u3066\u3057\u307e\u3063\u305f\u308a\u3068\u52b9\u7387\u304c\u826f\u304f\u306a\u3044\u304b\u3089\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u69cb\u9020\u3068\u306f<\/h4>\n\n\n\n<p>\u6211\u3005\u304c\u666e\u6bb5\u5229\u7528\u3057\u3066\u3044\u308b\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306f\u3001\u901a\u4fe1\u30d7\u30ed\u30c8\u30b3\u30eb\u306b<strong>TCP\/IP<\/strong>\u3092\u4f7f\u7528\u3057\u3001\u3044\u304f\u3064\u3082\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u76f8\u4e92\u306b\u63a5\u7d9a\u3057\u305f\u5927\u898f\u6a21\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<p>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3078\u306e\u63a5\u7d9a\u6027\uff08\u30b3\u30cd\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\uff09\u3092\u63d0\u4f9b\u3059\u308b\u4f01\u696d\u3084\u56e3\u4f53\u3092<strong>ISP(Internet Service Provider)<\/strong>\u307e\u305f\u306f\u5358\u306b<strong>\u30d7\u30ed\u30d0\u30a4\u30c0<\/strong>\u3068\u3044\u3044\u3001\u5404\u30d7\u30ed\u30d0\u30a4\u30c0\u3092\u76f8\u4e92\u306b\u63a5\u7d9a\u3059\u308b\u70b9\u3092<strong>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30a8\u30af\u30b9\u30c1\u30a7\u30f3\u30b8(IX)<\/strong>\u3068\u3044\u3046\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"736\" src=\"https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/12\/\u30d7\u30ed\u30d0\u30a4\u30c0\u540c\u58eb.jpg\" alt=\"\" class=\"wp-image-2087\" srcset=\"https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/12\/\u30d7\u30ed\u30d0\u30a4\u30c0\u540c\u58eb.jpg 700w, https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/12\/\u30d7\u30ed\u30d0\u30a4\u30c0\u540c\u58eb-285x300.jpg 285w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/figure>\n\n\n\n<p>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306f\u3001\u5168\u4f53\u3092\u4e00\u62ec\u3057\u3066\u7ba1\u7406\u30fb\u6240\u6709\u3059\u308b\u7d44\u7e54\u306f\u5b58\u5728\u3057\u306a\u3044\u3002<\/p>\n\n\n\n<p>\u968e\u5c64\u69cb\u9020\u3092\u306a\u3059\u5404\u7d44\u7e54\u306b\u3088\u308a\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306e\u8cc7\u6e90\uff08IP\u30a2\u30c9\u30ec\u30b9\u3084\u30c9\u30e1\u30a4\u30f3\u540d\uff09\u306f\u7ba1\u7406\u3055\u308c\u3066\u3044\u308b\u3002<\/p>\n\n\n\n<p>\uff0a\u968e\u5c64\u69cb\u9020\u306e\u9802\u70b9<\/p>\n\n\n\n<p>ICANN(Internet Corporation for Assigned Names and Numbers)<\/p>\n\n\n\n<p>*\u30a2\u30b8\u30a2\u30fb\u592a\u5e73\u6d0b\u5730\u57df\u306e\u7ba1\u7406<\/p>\n\n\n\n<p>APNIC(Asia Pacific Network Information Center)<\/p>\n\n\n\n<p>\uff0a\u65e5\u672c\u306e\u7ba1\u7406<\/p>\n\n\n\n<p>JPNIC(JaPan NIC)<\/p>\n\n\n\n<p>\u5b9f\u969b\u306eIP\u30a2\u30c9\u30ec\u30b9\u306e\u5272\u308a\u5f53\u3066\u306f\u3001JPNIC\u304b\u3089\u4f9d\u983c\u3055\u308c\u305fJPRS\uff08\u65e5\u672c\u30ec\u30b8\u30b9\u30c8\u30ea\u30b5\u30fc\u30d3\u30b9\uff09\u3068\u3044\u3046\u4f01\u696d\u304cJPNIC\u304b\u3089\u696d\u52d9\u3092\u79fb\u7ba1\u30fb\u59d4\u8a17\u3055\u308c\u3001\u8cc7\u6e90\u7ba1\u7406\u3092\u884c\u3063\u3066\u3044\u308b\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">IP(Internet Protocol)\u3068\u306f<\/h4>\n\n\n\n<p>IP\u3068\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64\u306e\u6a5f\u80fd\uff08\u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9\u306e\u30c7\u30fc\u30bf\u4f1d\u9001\uff09\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306e\u3001\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u30ec\u30b9\u578b\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<p>IP\u3067\u306f\u3001\u9001\u4fe1\u5143\u30ce\u30fc\u30c9\uff08\u6a5f\u5668\uff09\u304c\u30eb\u30fc\u30bf\u306b\u30c7\u30fc\u30bf\u306e\u4e2d\u7d99\u3092\u4f9d\u983c\u3059\u308b\u3068\u3001\u30c7\u30fc\u30bf\u306f\u30eb\u30fc\u30bf\u304b\u3089\u30eb\u30fc\u30bf\u3078\u3068\u4e2d\u7d99\u3055\u308c\u3066\u5b9b\u5148\u30ce\u30fc\u30c9\uff08\u6a5f\u5668\uff09\u306b\u5c4a\u304f\u3002<\/p>\n\n\n\n<p>\u3053\u3053\u3067\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3084\u30ce\u30fc\u30c9\u3092\u8b58\u5225\u3059\u308b\u305f\u3081\u306e\u60c5\u5831\u3001\u3059\u306a\u308f\u3061\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64\u306e\u30a2\u30c9\u30ec\u30b9\u3068\u3057\u3066\u3001IP\u30a2\u30c9\u30ec\u30b9\u304c\u5229\u7528\u3055\u308c\u308b\u306e\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<p>MAC\u30a2\u30c9\u30ec\u30b9\u304c\u96a3\u63a5\u30ce\u30fc\u30c9\u9593\uff08\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\uff09\u306e\u5b9b\u5148\u3068\u9001\u4fe1\u5143\u3092\u8b58\u5225\u3059\u308b\u306e\u306b\u5bfe\u3057\u3066\u3001IP\u30a2\u30c9\u30ec\u30b9\u306f<strong>\u30a8\u30f3\u30c9\u30ce\u30fc\u30c9\u9593<\/strong>\uff08<strong>\u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9<\/strong>\uff09\u306e\u5b9b\u5148\u3068\u9001\u4fe1\u5143\u3092\u6307\u5b9a\u3059\u308b\u3002<\/p>\n\n\n\n<p>IP\u30a2\u30c9\u30ec\u30b9\u306f\u3001\u5404\u30ce\u30fc\u30c9\uff08\u6a5f\u5668\uff09\u306e\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\uff08\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3054\u3068\u306e\u63a5\u7d9a\u70b9\uff09\u3054\u3068\u306b\u4ed8\u4e0e\u3055\u308c\u3001\u30ce\u30fc\u30c9\u306e\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u3092\u4e00\u610f\u306b\u8b58\u5225\u3059\u308b\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u306b\u3088\u308a\u3001\u30eb\u30fc\u30bf\u306a\u3069\u306e\u8907\u6570\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u63a5\u7d9a\u3055\u308c\u308b\u30ce\u30fc\u30c9\u306f\u8907\u6570\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u3082\u3064\u3002<\/p>\n\n\n\n<p>IP\u30a2\u30c9\u30ec\u30b9\u306f\u3001TCP\/IP\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306f\u91cd\u8907\u3057\u306a\u3044\u3088\u3046\u8a2d\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002<\/p>\n\n\n\n<p>IP\u30a2\u30c9\u30ec\u30b9\u304c\u4ed8\u4e0e\u3055\u308c\u305f\u30ce\u30fc\u30c9\u306e\u3053\u3068\u3092<strong>\u30db\u30b9\u30c8<\/strong>\u3068\u3044\u3044\u3001IP\u306b\u304a\u3051\u308b\u4f1d\u9001\u5358\u4f4d\u3092<strong>IP\u30c7\u30fc\u30bf\u30b0\u30e9\u30e0<\/strong>\uff08<strong>IP\u30d1\u30b1\u30c3\u30c8<\/strong>\uff09\u3068\u3044\u3046\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"1660\" src=\"https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/12\/\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64-2.jpg\" alt=\"\" class=\"wp-image-2097\" srcset=\"https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/12\/\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64-2.jpg 1200w, https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/12\/\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64-2-217x300.jpg 217w, https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/12\/\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64-2-740x1024.jpg 740w, https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/12\/\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64-2-768x1062.jpg 768w, https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/12\/\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64-2-1110x1536.jpg 1110w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p>\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">IP\u30c7\u30fc\u30bf\u30b0\u30e9\u30e0<\/h4>\n\n\n\n<p>IP\u306f\u3001\u4e0a\u4f4d\u306e\u5c64\uff08\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64\u3002\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\uff09\u304b\u3089\u6e21\u3055\u308c\u305f\u30c7\u30fc\u30bf\u306b\u3001<strong>\u5b9b\u5148IP\u30a2\u30c9\u30ec\u30b9<\/strong>\u3068<strong>\u9001\u4fe1\u5143IP\u30a2\u30c9\u30ec\u30b9<\/strong>\u3092\u8a2d\u5b9a\u3055\u308c\u305f<strong>IP\u30d8\u30c3\u30c0<\/strong>\u3092\u30c7\u30fc\u30bf\u306b\u4ed8\u52a0\u3057\u3001IP\u30c7\u30fc\u30bf\u30b0\u30e9\u30e0\u3068\u3057\u3066\u8ee2\u9001\u3059\u308b\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u3092<strong>\u30ab\u30d7\u30bb\u30eb\u5316<\/strong>\u3068\u3044\u3046\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"490\" height=\"338\" src=\"https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/12\/\u30c7\u30fc\u30bf\u30b0\u30e9\u30e0\uff11.gif\" alt=\"\" class=\"wp-image-2099\"\/><figcaption>IP\u30c7\u30fc\u30bf\u30b0\u30e9\u30e0\u56f3\u89e3\u3000\u4e0a\u90e8\u306e\u6570\u5b57\u306f\u30d3\u30c3\u30c8\u6570\u3092\u793a\u3059\u3002<\/figcaption><\/figure>\n\n\n\n<p>\u30ab\u30d7\u30bb\u30eb\u5316\u3055\u308c\u305fIP\u30c7\u30fc\u30bf\u30b0\u30e9\u30e0\u306f\u3001\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64\u306b\u6e21\u3055\u308c\u308b\u3002<\/p>\n\n\n\n<p>\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64\u306b\u304a\u3044\u3066\u3001\u5b9b\u5148MAC\u30a2\u30c9\u30ec\u30b9\u3068\u9001\u4fe1\u5143MAC\u30a2\u30c9\u30ec\u30b9\u3092\u8a2d\u5b9a\u3055\u308c\u305f\u30d8\u30c3\u30c0\u3092\u4ed8\u52a0\u3057\u305f\u30d5\u30ec\u30fc\u30e0\u304c\u4f5c\u3089\u308c\u308b\u3002<\/p>\n\n\n\n<p>\u30eb\u30fc\u30bf\u306a\u3069\u306eLAN\u9593\u63a5\u7d9a\u88c5\u7f6e\u306f\u3001\u30d5\u30ec\u30fc\u30e0\u306e\u4e2d\u304b\u3089IP\u30c7\u30fc\u30bf\u30b0\u30e9\u30e0\u3092\u53d6\u308a\u51fa\u3059\u3053\u3068\u3067\u3001\u5b9b\u5148IP\u30a2\u30c9\u30ec\u30b9\u3068\u9001\u4fe1\u5143IP\u30a2\u30c9\u30ec\u30b9\u3092\u77e5\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000<\/p>\n\n\n\n<p>IP\u30c7\u30fc\u30bf\u30b0\u30e9\u30e0\u306e\u5404\u90e8\u5206\u306e\u8aac\u660e\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n\n\n\n<p>\uff0a\u30d0\u30fc\u30b8\u30e7\u30f3<\/p>\n\n\n\n<p>\u4f7f\u7528\u3059\u308bIP\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u3042\u308a\u3001\u73fe\u5728\u3067\u306fIPv4\u304c\u4e3b\u6d41\u3002<\/p>\n\n\n\n<p>\uff0a\u30d8\u30c3\u30c0\u9577<\/p>\n\n\n\n<p>IP\u30d8\u30c3\u30c0\u306e\u5927\u304d\u3055\u309232\u30d3\u30c3\u30c8\u5358\u4f4d\u3067\u793a\u3059\u3002\u901a\u5e38\u306f20\u30d0\u30a4\u30c8\u3002<\/p>\n\n\n\n<p>\uff0aTos(Type Of Service)\u3000\u30b5\u30fc\u30d3\u30b9\u30bf\u30a4\u30e0<\/p>\n\n\n\n<p>\u30c7\u30fc\u30bf\u30b0\u30e9\u30e0\u306e\u512a\u5148\u5ea6\u306a\u3069\u683c\u7d0d\u3002<\/p>\n\n\n\n<p>\uff0a\u30c7\u30fc\u30bf\u30b0\u30e9\u30e0\u9577<\/p>\n\n\n\n<p>\u30d8\u30c3\u30c0\u3082\u542b\u3081\u305fIP\u30c7\u30fc\u30bf\u30b0\u30e9\u30e0\u306e\u30b5\u30a4\u30ba\u30928\u30d3\u30c3\u30c8(1\u30d0\u30a4\u30c8)\u5358\u4f4d\u3067\u8868\u3059\u3002\u3053\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\uff08\u56f3\u306e\u4e0a\u306e\u6570\u5b57\uff09\u306f16\u30d3\u30c3\u30c8\u306a\u306e\u3067\u3001IP\u304c\u6271\u3048\u308b\u30c7\u30fc\u30bf\u306e\u6700\u5927\u30b5\u30a4\u30ba\u306f65,535\u30d0\u30a4\u30c8\u3068\u306a\u308a\u3001\u3053\u308c\u3088\u308a\u5927\u304d\u306a\u30c7\u30fc\u30bf\u306f\u5206\u5272\u3055\u308c\u308b\u3002<\/p>\n\n\n\n<p>\uff0aID(\u8b58\u5225\u5b50)\/\u30d5\u30e9\u30b0\/\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u30aa\u30d5\u30bb\u30c3\u30c8<\/p>\n\n\n\n<p>\u5206\u5272\u3055\u308c\u305f\u30c7\u30fc\u30bf\u30b0\u30e9\u30e0\u3092\u5fa9\u5143\u3059\u308b\u305f\u3081\u306e\u60c5\u5831\u3092\u683c\u7d0d\u3002<\/p>\n\n\n\n<p>\uff0aTTL(Time To Live)<\/p>\n\n\n\n<p>\u751f\u5b58\u6642\u9593\u3068\u3082\u3044\u3046\u3002\u30c7\u30fc\u30bf\u30b0\u30e9\u30e0\u306e\u751f\u5b58\u6642\u9593\u3092\u793a\u3059\u3002\u5b9f\u969b\u306b\u306f\u7d4c\u7531\u3067\u304d\u308b\u30eb\u30fc\u30bf\u6570\u3092\u8868\u3057\u3066\u3044\u3066\u3001\u30c7\u30fc\u30bf\u30b0\u30e9\u30e0\u304c\u30eb\u30fc\u30bf\u3092\u7d4c\u7531\u3059\u308b\u3054\u3068\u306bTTL\u306f\uff11\u305a\u3064\u6e1b\u7b97\u3055\u308c\u308b\u3002TTL\u304c\uff10\u306b\u306a\u3063\u305f\u30c7\u30fc\u30bf\u30b0\u30e9\u30e0\u306f\u30eb\u30fc\u30bf\u306b\u3088\u3063\u3066\u7834\u68c4\u3055\u308c\u308b\u3002<\/p>\n\n\n\n<p>\uff0a\u30d7\u30ed\u30c8\u30b3\u30eb\u756a\u53f7<\/p>\n\n\n\n<p>\u4e0a\u4f4d\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u306b\u4f55\u3092\u7528\u3044\u3066\u3044\u308b\u304b\u3092\u793a\u3059\u3002ICMP\u306f\uff11\u3001TCP\u306f\uff16\u3001UDP\u306f17\u304c\u8a2d\u5b9a\u3055\u308c\u308b\u3002<\/p>\n\n\n\n<p>\uff0a\u30d8\u30c3\u30c0\u30fb\u30c1\u30a7\u30c3\u30af\u30b5\u30e0<\/p>\n\n\n\n<p>IP\u30d8\u30c3\u30c0\u306e\u8aa4\u308a\u3092\u691c\u51fa\u3059\u308b\u305f\u3081\u306e\u30c1\u30a7\u30c3\u30af\u30b5\u30e0\u304c\u683c\u7d0d\u3055\u308c\u308b\u3002<\/p>\n\n\n\n<p>\uff0a\u9001\u4fe1\u5143IP\u30a2\u30c9\u30ec\u30b9<\/p>\n\n\n\n<p>\u9001\u4fe1\u5143\u30db\u30b9\u30c8\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u8868\u3059\u3002<\/p>\n\n\n\n<p>\uff0a\u5b9b\u5148IP\u30a2\u30c9\u30ec\u30b9<\/p>\n\n\n\n<p>\u5b9b\u5148\u30db\u30b9\u30c8\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u8868\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">IP\u30a2\u30c9\u30ec\u30b9<\/h4>\n\n\n\n<p>IP\u30a2\u30c9\u30ec\u30b9\u306f\u300132\u30d3\u30c3\u30c8\u306e\u30a2\u30c9\u30ec\u30b9\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<p>8\u30d3\u30c3\u30c8\u3054\u3068\u306b\u30d4\u30ea\u30aa\u30c9\uff08.\uff09\u3067\u533a\u5207\u308a\u300110\u9032\u6570\u3067\u8868\u8a18\u3059\u308b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"240\" src=\"https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/12\/\u30a2\u30c9\u30ec\u30b9\u3000\u30a2\u30a4\u30d4\u30fc.png\" alt=\"\" class=\"wp-image-2103\" srcset=\"https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/12\/\u30a2\u30c9\u30ec\u30b9\u3000\u30a2\u30a4\u30d4\u30fc.png 400w, https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/12\/\u30a2\u30c9\u30ec\u30b9\u3000\u30a2\u30a4\u30d4\u30fc-300x180.png 300w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/figure>\n\n\n\n<p>IP\u30a2\u30c9\u30ec\u30b9\u306f\u300132\u30d3\u30c3\u30c8\u3092\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u90e8\u3068\u30db\u30b9\u30c8\u90e8\u306b\u5206\u3051\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u3069\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u3069\u306e\u30db\u30b9\u30c8\u304b\u3092\u8b58\u5225\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u308b\u3002<\/p>\n\n\n\n<p>\u540c\u3058\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u63a5\u7d9a\u3055\u308c\u308b\u30db\u30b9\u30c8\u306eIP\u30a2\u30c9\u30ec\u30b9\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u90e8\u304c\u3059\u3079\u3066\u7b49\u3057\u3044\u306e\u3067\u3001\u30eb\u30fc\u30bf\u306f\u3069\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u5c4a\u3051\u308c\u3070\u3088\u3044\u304b\u306b\u57fa\u3065\u3044\u3066\u7d4c\u8def\u9078\u629e\u3092\u884c\u3046\u3002<\/p>\n\n\n\n<p>TCP\/IP\u306b\u304a\u3044\u3066\u306f\u3001IP\u30a2\u30c9\u30ec\u30b9\u304c\u5272\u308a\u5f53\u3066\u3089\u308c\u305f\u6a5f\u5668\u3092\u3059\u3079\u3066\u30db\u30b9\u30c8\u3068\u3044\u3046\u3002\u3064\u307e\u308a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u3064\u306a\u304c\u308b\u30d1\u30bd\u30b3\u30f3\u3084\u30b5\u30fc\u30d0\u6a5f\u3001\u30eb\u30fc\u30bf\u306a\u3069\u306e\u4e2d\u7d99\u88c5\u7f6e\u306f\u3059\u3079\u3066\u30db\u30b9\u30c8\u306a\u306e\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000<\/p>\n\n\n\n<p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u90e8\u3068\u30db\u30b9\u30c8\u90e8\u306f\u3001<strong>\u30af\u30e9\u30b9<\/strong>\u3068\u3044\u3046\u6982\u5ff5\u3067\u533a\u5207\u3089\u308c\u3066\u3044\u308b\u3002<\/p>\n\n\n\n<p>\u30af\u30e9\u30b9\u306fIP\u30a2\u30c9\u30ec\u30b9\u306e\u7528\u9014\u3092\u8868\u3059\u6982\u5ff5\u3067\u3042\u308a\u3001\u30af\u30e9\u30b9A~C\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u898f\u6a21\u3092\u8868\u3059\u3002<\/p>\n\n\n\n<p>\u5404IP\u30a2\u30c9\u30ec\u30b9\u304c\u3069\u306e\u30af\u30e9\u30b9\u306b\u5c5e\u3059\u308b\u304b\u306f\u3001\u4e0a\u4f4d\u306e\u30d3\u30c3\u30c8\u6570\u306b\u3088\u3063\u3066\u5224\u65ad\u3067\u304d\u308b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"729\" height=\"348\" src=\"https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/12\/\u30af\u30e9\u30b9.png\" alt=\"\" class=\"wp-image-2105\" srcset=\"https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/12\/\u30af\u30e9\u30b9.png 729w, https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/12\/\u30af\u30e9\u30b9-300x143.png 300w\" sizes=\"(max-width: 729px) 100vw, 729px\" \/><\/figure>\n\n\n\n<p>\u30af\u30e9\u30b9A\u306f\u5927\u898f\u6a21\u7d44\u7e54\u7528\u3001\u30af\u30e9\u30b9B\u306f\u4e2d\u898f\u6a21\u7d44\u7e54\u7528\u3001\u30af\u30e9\u30b9C\u306f\u5c0f\u898f\u6a21\u7d44\u7e54\u7528\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<p>\u3053\u3053\u3067D\u3068E\u304c\u767b\u5834\u3059\u308b\u304c\u3001\u4e21\u8005\u3068\u3082\u306b\u7279\u5225\u306a\u7528\u9014\u306b\u4f7f\u7528\u3055\u308c\u308b\u3002<\/p>\n\n\n\n<p>\u30af\u30e9\u30b9D\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u898f\u6a21\u3092\u8868\u3059\u305f\u3081\u3067\u306f\u306a\u304f\u3001<strong>\u30de\u30eb\u30c1\u30ad\u30e3\u30b9\u30c8\u901a\u4fe1<\/strong>\u306b\u7528\u3044\u3089\u308c\u308b\u3002<\/p>\n\n\n\n<p>\u30de\u30eb\u30c1\u30ad\u30e3\u30b9\u30c8\u901a\u4fe1\u3068\u306f\u3001\u4efb\u610f\u306e\u8907\u6570\u306e\u30db\u30b9\u30c8\u3068\u901a\u4fe1\u3059\u308b\u3082\u306e\u3067\u3001\u3059\u3079\u3066\u306e\u30db\u30b9\u30c8\u3068\u901a\u4fe1\u3059\u308b\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u901a\u4fe1\u3068\u306f\u3001\u7121\u95a2\u4fc2\u306e\u30db\u30b9\u30c8\u306b\u307e\u3067\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3059\u308b\u3053\u3068\u304c\u306a\u3044\u70b9\u304c\u7570\u306a\u3063\u3066\u3044\u308b\u3002<\/p>\n\n\n\n<p>\u30af\u30e9\u30b9E\u306f\u4e00\u822c\u306b\u306f\u4f7f\u7528\u3055\u308c\u306a\u3044\u3002<\/p>\n\n\n\n<p>     \u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000<\/p>\n\n\n\n<p>IP\u30a2\u30c9\u30ec\u30b9\u306f32\u30d3\u30c3\u30c8\u306e\u60c5\u5831\u3067\u3042\u308b\u305f\u3081\u3001IP\u30a2\u30c9\u30ec\u30b9\u7a7a\u9593\u3092\u3059\u3079\u3066\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u305f\u3089\u30012\u00b3\u00b2\uff1d4,294,967,296\u500b\u306e\u30db\u30b9\u30c8\u306b\u5272\u308a\u5f53\u3066\u53ef\u80fd\u3060\u3002<\/p>\n\n\n\n<p>\u305f\u3060\u3057\u3001IP\u30a2\u30c9\u30ec\u30b9\u306e\u3046\u3061\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u90e8\u3068\u30db\u30b9\u30c8\u90e8\u306e\u3044\u305a\u308c\u304b\u304c\u300c\u3059\u3079\u3066\uff11\u300d\u307e\u305f\u306f\u300c\u3059\u3079\u3066\uff10\u300d\u306e\u30a2\u30c9\u30ec\u30b9\u306f\u4ee5\u4e0b\u306e\u7528\u9014\u306b\u7528\u3044\u3089\u308c\u308b\u305f\u3081\u3001\u4f7f\u7528\u3067\u304d\u306a\u3044\u3002<\/p>\n\n\n\n<p>\u30fb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30c9\u30ec\u30b9<\/p>\n\n\n\n<p>\u30db\u30b9\u30c8\u90e8\u304c\u300c\u3059\u3079\u3066\uff10\u300d\u306e\u5834\u5408\u3001\u300c\u305d\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u81ea\u8eab\u300d\u3092\u8868\u3059\u3002<\/p>\n\n\n\n<p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30c9\u30ec\u30b9\u306f\u30eb\u30fc\u30bf\u306e\u7d4c\u8def\u5236\u5fa1\u306a\u3069\u3067\u7528\u3044\u308b\u3002<\/p>\n\n\n\n<p>\u30fb\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u30a2\u30c9\u30ec\u30b9<\/p>\n\n\n\n<p>\u30db\u30b9\u30c8\u90e8\u304c\u300c\u3059\u3079\u3066\uff11\u300d\u306e\u5834\u5408\u3001\u3059\u3079\u3066\u306e\u30db\u30b9\u30c8\u3092\u5bfe\u8c61\u3068\u3057\u305f\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u30a2\u30c9\u30ec\u30b9\u3068\u306a\u308b\u3002<\/p>\n\n\n\n<p>\u3044\u305a\u308c\u306e\u5834\u5408\u3082\u30dd\u30a4\u30f3\u30c8\u306f<strong>\u30db\u30b9\u30c8\u90e8<\/strong>\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<p>\u30db\u30b9\u30c8\u90e8\u304cn\u30d3\u30c3\u30c8\u306e\u5834\u5408\u3001\u30db\u30b9\u30c8\u306b\u5272\u308a\u5f53\u3066\u3089\u308c\u308bIP\u30a2\u30c9\u30ec\u30b9\u306e\u6570\u306f\u30012\u207f\u304b\u3089\u300c\u3059\u3079\u3066\uff10\u300d\u3068\u300c\u3059\u3079\u3066\uff11\u300d\u3092\u9664\u3044\u305f\uff08<strong>\uff12\u207f\uff0d\uff12<\/strong>\uff09\u7a2e\u985e\u3068\u306a\u308b\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0<\/h4>\n\n\n\n<p>TCP\/IP\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u304a\u3044\u3066\u3001\u9069\u5207\u306a\u7d4c\u8def\u3092\u9078\u629e\u3057\u3066IP\u30c7\u30fc\u30bf\u30b0\u30e9\u30e0\u3092\u5b9b\u5148\u307e\u3067\u5c4a\u3051\u308b\u3053\u3068\u3092<strong>\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0<\/strong>\uff08\u7d4c\u8def\u5236\u5fa1\uff09\u3068\u3044\u3046\u3002<\/p>\n\n\n\n<p>\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u3084\u30eb\u30fc\u30bf\u306f\u3001<strong>\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u30c6\u30fc\u30d6\u30eb<\/strong>\u3068\u3044\u3046\u7d4c\u8def\u60c5\u5831\u306b\u57fa\u3065\u3044\u3066\u7d4c\u8def\u9078\u629e\u3092\u884c\u3046\u3002<\/p>\n\n\n\n<p>\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u30c6\u30fc\u30d6\u30eb\u306f\u3001\u5b9b\u5148\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30c9\u30ec\u30b9\u3001\u30c7\u30fc\u30bf\u3092\u9001\u51fa\u3059\u308b\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u3001\u4e2d\u7d99\u5148\u3068\u306a\u308b\u30eb\u30fc\u30bf\u306a\u3069\u304b\u3089\u69cb\u6210\u3055\u308c\u3001\u76ee\u7684\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u307e\u3067\u30c7\u30fc\u30bf\u3092\u5c4a\u3051\u308b\u305f\u3081\u306b\u306f\u3001\u3069\u306e\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u304b\u3089\u3001\u3069\u306e\u30eb\u30fc\u30bf\u306b\u5bfe\u3057\u3066\u4e2d\u7d99\u3092\u4f9d\u983c\u3059\u308c\u3070\u3088\u3044\u304b\u3001\u3092\u5224\u65ad\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u308b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"418\" src=\"https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/12\/\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u30c6\u30fc\u30d6\u30eb.png\" alt=\"\" class=\"wp-image-2111\" srcset=\"https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/12\/\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u30c6\u30fc\u30d6\u30eb.png 500w, https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/12\/\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u30c6\u30fc\u30d6\u30eb-300x251.png 300w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/figure>\n\n\n\n<p>\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u30c6\u30fc\u30d6\u30eb\u306b\u3088\u3063\u3066\u4e2d\u7d99\u5148\u304c\u6c7a\u5b9a\u3057\u305f\u306a\u3089\u3070\u3001\u4e2d\u7d99\u5148\u306e\u30eb\u30fc\u30bf\u306eIP\u30a2\u30c9\u30ec\u30b9\u306b\u5bfe\u5fdc\u3057\u305fMAC\u30a2\u30c9\u30ec\u30b9\u3092\u53d6\u5f97\u3057\u3066\u3001\u30c7\u30fc\u30bf\u3092\u96a3\u63a5\u3059\u308b\u30eb\u30fc\u30bf\u306b\u5411\u3051\u3066\u9001\u51fa\u3059\u308b\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u3092\u7e70\u308a\u8fd4\u3059\u3053\u3068\u3067\u3001\u30eb\u30fc\u30bf\u3092\u7d4c\u7531\u3057\u305f\u30a8\u30f3\u30c9\u30ce\u30fc\u30c9\u9593\u306e\u901a\u4fe1\u304c\u5b9f\u73fe\u3055\u308c\u308b\u3002<\/p>\n\n\n\n<p>\u3053\u3053\u3067MAC\u30a2\u30c9\u30ec\u30b9\u304c\u767b\u5834\u3057\u3066\u304f\u308b\u304c\u3001\u5b9f\u969b\u306b\u30c7\u30fc\u30bf\u3092\u4f1d\u9001\u3059\u308b\u306e\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64\u306e\u4e00\u3064\u4e0b\u306e\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u3060\u304b\u3089\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<p>\u5b9b\u5148IP\u30a2\u30c9\u30ec\u30b9\u3068\u9001\u4fe1\u5143IP\u30a2\u30c9\u30ec\u30b9\u306f\u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9\u3067\u5909\u5316\u3057\u306a\u3044\u304c\u3001\u5b9b\u5148MAC\u30a2\u30c9\u30ec\u30b9\u3068\u9001\u4fe1\u5143MAC\u30a2\u30c9\u30ec\u30b9\u306f\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\uff08<strong>\u4e2d\u7d99\u533a\u9593<\/strong>\uff09\u3054\u3068\u306b\u7570\u306a\u308b\u3002<\/p>\n\n\n\n<p>\u4ed6\u306e\u30eb\u30fc\u30bf\u306b\u4e2d\u7d99\u3092\u4f9d\u983c\u3059\u308b\u5834\u5408\u306f\u3001\u30eb\u30fc\u30bf\u306eIP\u30a2\u30c9\u30ec\u30b9\u304b\u3089MAC\u30a2\u30c9\u30ec\u30b9\u3092\u53d6\u5f97\u3057\u3001\u305d\u308c\u3092\u5b9b\u5148MAC\u30a2\u30c9\u30ec\u30b9\u3068\u3059\u308c\u3070\u3044\u3044\u306e\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<p>\u306a\u304a\u3001IP\u30a2\u30c9\u30ec\u30b9\u304b\u3089MAC\u30a2\u30c9\u30ec\u30b9\u3092\u53d6\u5f97\u3059\u308b\u306b\u306f\u3001<strong>ARP<\/strong>(Address Resolution Protocol)\u3068\u3044\u3046\u30d7\u30ed\u30c8\u30b3\u30eb\u304c\u7528\u3044\u3089\u308c\u308b\u3002<\/p>\n\n\n\n<p>ARP\u306f\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u7ba1\u7406\u3055\u308c\u308bIP\u30a2\u30c9\u30ec\u30b9<\/h4>\n\n\n\n<p>IP\u30a2\u30c9\u30ec\u30b9\u306f\u300c\u6709\u9650\u300d\u3067\u3042\u308a\u300c\u9650\u308a\u3042\u308b\u8cc7\u6e90\u300d\u3067\u3042\u308b\u3068\u8a00\u3048\u308b\u3002\u3053\u3046\u306a\u308b\u3068\u52b9\u7387\u7684\u306a\u904b\u7528\u30fb\u7ba1\u7406\u304c\u5fc5\u9808\u306b\u306a\u308b\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>\u30fb<strong>\u30b5\u30d6\u30cd\u30c3\u30c8\u5206\u5272<\/strong><\/p>\n\n\n\n<p>TCP\/IP\u3067\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u8907\u6570\u306e\u30b5\u30d6\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff08\u30b5\u30d6\u30cd\u30c3\u30c8\uff09\u306b\u5206\u5272\u3057\u3001IP\u30a2\u30c9\u30ec\u30b9\u7a7a\u9593\u306e\u6709\u52b9\u5229\u7528\u3084\u904b\u7528\u8ca0\u8377\u306e\u5206\u6563\u3092\u56f3\u308b\u3053\u3068\u304c\u591a\u3044\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u305f\u3081<strong>\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af<\/strong>\u3092\u7528\u3044\u3066\u3001\u30db\u30b9\u30c8\u90e8\u306e\u4e00\u90e8\u3092\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u90e8\u306e\u4e00\u90e8\uff08\u30b5\u30d6\u30cd\u30c3\u30c8\u306e\u8b58\u5225\u5b50\uff09\u3068\u3057\u305f\u6271\u3046\u3002<\/p>\n\n\n\n<p>\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u306f\u3001IP\u30a2\u30c9\u30ec\u30b9\u306e\u3069\u3053\u307e\u3067\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u90e8\u3067\u3001\u3069\u3053\u304b\u3089\u304c\u30db\u30b9\u30c8\u90e8\u304b\u3092\u6307\u5b9a\u3059\u308b\u306e\u306b\u300132\u30d3\u30c3\u30c8\u306e\u30d3\u30c3\u30c8\u5217\uff08\u30de\u30b9\u30af\uff09\u3067\u3001<strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u90e8\u306b\uff11<\/strong>\u3001<strong>\u30db\u30b9\u30c8\u90e8\u306b\uff10<\/strong>\u3092\u8a2d\u5b9a\u3059\u308b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"720\" src=\"https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/12\/\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af.jpg\" alt=\"\" class=\"wp-image-2118\" srcset=\"https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/12\/\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af.jpg 1280w, https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/12\/\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af-300x169.jpg 300w, https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/12\/\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af-1024x576.jpg 1024w, https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/12\/\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af-768x432.jpg 768w, https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/12\/\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af-1200x675.jpg 1200w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><\/figure>\n\n\n\n<p>\u4e0a\u56f3\u306e\u4f8b\u3060\u3068\u3001\u672c\u6765\u306f\u30af\u30e9\u30b9C\u306eIP\u30a2\u30c9\u30ec\u30b9\u3067\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u90e8\u306f24\u30d3\u30c3\u30c8\u306e\u90e8\u5206\u307e\u3067\u306a\u306e\u3060\u304c\u3001\u30db\u30b9\u30c8\u90e8\u306e8\u30d3\u30c3\u30c8\u306e\u3046\u3061\u3001\u4e0a\u4f4d2\u30d3\u30c3\u30c8\u3092\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u90e8\u3068\u307f\u306a\u3057\u3001\u30b5\u30d6\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u8b58\u5225\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u3088\u3046\u306b\u3001\u30db\u30b9\u30c8\u90e8\u306e\u4e0a\u4f4d2\u30d3\u30c3\u30c8\u3092\u30b5\u30d6\u30cd\u30c3\u30c8\u8b58\u5225\u5b50\u3068\u3059\u308c\u3070\u3001256\u53f0\u306e\u30db\u30b9\u30c8\u3092\u63a5\u7d9a\u3067\u304d\u308b\u4e00\u3064\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304c\u3001\uff14\u3064\u306e\u30b5\u30d6\u30cd\u30c3\u30c8\u306b\u5206\u5272\u3055\u308c\u308b\u3002\uff08\uff12\u00b2\uff1d\uff14\u3002\u4e0a\u4f4d3\u30d3\u30c3\u30c8\u3060\u3068\uff12\u00b3=8\u5206\u5272\uff09<\/p>\n\n\n\n<p>\u5404\u30b5\u30d6\u30cd\u30c3\u30c8\u306b\u306f62(\uff12\u2076\uff0d\uff12\uff09\u53f0\u306e\u30db\u30b9\u30c8\u304c\u63a5\u7d9a\u3067\u304d\u308b\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u306f\u3001\u30b5\u30d6\u30cd\u30c3\u30c8\u306b\u5206\u5272\u3057\u305f\u5834\u5408\u3067\u3082\u3001\u30db\u30b9\u30c8\u90e8\u304c\u3059\u3079\u3066\uff10\u306e\u30a2\u30c9\u30ec\u30b9\u306f\u30b5\u30d6\u30cd\u30c3\u30c8\u81ea\u8eab\u3092\u8868\u3057\u3001\u3059\u3079\u3066\uff11\u306e\u90e8\u5206\u306f\u30b5\u30d6\u30cd\u30c3\u30c8\u306b\u63a5\u7d9a\u3055\u308c\u305f\u5168\u30db\u30b9\u30c8\u3092\u8868\u3059\u304b\u3089\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000<\/p>\n\n\n\n<p>\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u3092\u7528\u3044\u308b\u3068\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5206\u5272\u3060\u3051\u3067\u306f\u306a\u304f\u7d71\u5408\u3082\u53ef\u80fd\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<p>\u4f8b\u3048\u3070\u6b21\u306e\u3088\u3046\u306a\u30af\u30e9\u30b9C\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30c9\u30ec\u30b9\u304c\u3042\u3063\u305f\u3068\u3059\u308b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>10\u9032\u6570\u8868\u8a18<\/td><td>192.168.2.0<\/td><\/tr><tr><td>2\u9032\u6570\u8868\u8a18<\/td><td>11000000.10101000.00000010.00000000<\/td><\/tr><tr><td>10\u9032\u6570\u8868\u8a18<\/td><td>192.168.3.0<\/td><\/tr><tr><td>2\u9032\u6570\u8868\u8a18<\/td><td>11000000.10101000.00000011.00000000<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u3053\u308c\u3089\u306f2\u9032\u6570\u8868\u8a18\u3059\u308b\u3068\u5206\u304b\u308a\u3084\u3059\u3044\u304c\u30011\uff5e23\u30d3\u30c3\u30c8\u76ee\u307e\u3067\u306f\u540c\u3058\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u4ee5\u4e0b\u306e\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u3092\u8a2d\u5b9a\u3059\u308c\u3070\u3001\u30af\u30e9\u30b9C\u306e2\u500d\u306e\u5927\u304d\u3055\u3092\u3082\u3064\u4e00\u3064\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304c\u3067\u304d\u308b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>10\u9032\u6570\u8868\u8a18<\/td><td>255.255.254.0<\/td><\/tr><tr><td>2\u9032\u6570\u8868\u8a18<\/td><td>11111111.11111111.11111110.00000000<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u30af\u30e9\u30b9A\uff5e\u30af\u30e9\u30b9C\u306e\u6982\u5ff5\u306f\u610f\u5473\u3092\u6301\u305f\u306a\u304f\u306a\u308b\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u3088\u3046\u306b\u30af\u30e9\u30b9\u306b\u4f9d\u5b58\u3057\u306a\u3044\u30a2\u30c9\u30ec\u30b9\u306e\u5272\u308a\u5f53\u3066\u3092\u53ef\u80fd\u306b\u3057\u305f\u6982\u5ff5\u3092<strong>CIDR<\/strong>(Classless inter Domain Routing)\u3068\u3044\u3046\u3002<\/p>\n\n\n\n<p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30c9\u30ec\u30b9\u306b\u7d9a\u3051\u3066\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u90e8\u306e\u30d3\u30c3\u30c8\u6570\uff08\u30d6\u30ec\u30d5\u30a3\u30c3\u30af\u30b9\u9577\uff09\u3092\u30b9\u30e9\u30c3\u30b7\u30e5\u3067\u533a\u5207\u3063\u3066\u8868\u8a18\u3059\u308b\u3002<\/p>\n\n\n\n<p>\u5148\u306e\u4f8b\u3060\u3068\u3001192.168.2.0\/24\u3068192.168.3.0\/24\u3092\u96c6\u7d04\u3059\u308b\u3068\u3001<\/p>\n\n\n\n<p><strong>192.168.2.0\/23<\/strong><\/p>\n\n\n\n<p>\u3068\u306a\u308b\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000<\/p>\n\n\n\n<p>\u30fb<strong>DHCP<\/strong>(Dynamic Host Configuration Protocol)<\/p>\n\n\n\n<p>DHCP\u306f\u3001IP\u30a2\u30c9\u30ec\u30b9\u306b\u3092\u52d5\u7684\u306b\u5272\u308a\u5f53\u3066\u308b\u305f\u3081\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<p>DHCP\u3092\u7528\u3044\u308b\u5834\u5408\u3001\u30db\u30b9\u30c8\uff08DHCP\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\uff09\u306f\u3001\u8d77\u52d5\u6642\u307e\u305f\u306f\u5fc5\u8981\u6642\u306bDHCP\u30b5\u30fc\u30d0\u306b\u5bfe\u3057\u3066IP\u30a2\u30c9\u30ec\u30b9\u3092\u8981\u6c42\u3059\u308b\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u8981\u6c42\u306b\u5bfe\u3057\u3066DHCP\u30b5\u30fc\u30d0\u306f\u3001\u3042\u3089\u304b\u3058\u3081\u767b\u9332\u3055\u308c\u3066\u3044\u308bIP\u30a2\u30c9\u30ec\u30b9\u306e\u3046\u3061\u4e00\u3064\u3092\u5272\u308a\u5f53\u3066\u308b\u3002\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u5229\u7528\u304c\u7d42\u4e86\u3057\u305f\u3089\u3001DHCP\u30b5\u30fc\u30d0\u306f\u305d\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u56de\u53ce\u3059\u308b\u3002<\/p>\n\n\n\n<p>DHCP\u306f\u3001\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u3084\u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3082\u8a2d\u5b9a\u3067\u304d\u308b\u3002<\/p>\n\n\n\n<p><strong>\u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4<\/strong>\u3068\u306f\u3001\u4ed6\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u901a\u4fe1\u3059\u308b\u305f\u3081\u306e\u7a93\u53e3\u3068\u306a\u308b\u30eb\u30fc\u30bf\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<p>\u5404\u30db\u30b9\u30c8\u306f\u81ea\u5206\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u63a5\u7d9a\u3055\u308c\u305f\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u3068\u306f\u76f4\u63a5\u901a\u4fe1\u3057\u3001\u7570\u306a\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u63a5\u7d9a\u3055\u308c\u305f\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u3068\u306e\u901a\u4fe1\u306f\u3001\u3059\u3079\u3066\u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a3\u306b\u4e2d\u7d99\u3092\u4f9d\u983c\u3059\u308b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1027\" height=\"474\" src=\"https:\/\/advanceadvance.net\/wp-content\/uploads\/2021\/01\/\u30b5\u30fc\u30d0\u3000\u30c0\u30a4\u30ca\u30df\u30c3\u30af.jpg\" alt=\"\" class=\"wp-image-2121\" srcset=\"https:\/\/advanceadvance.net\/wp-content\/uploads\/2021\/01\/\u30b5\u30fc\u30d0\u3000\u30c0\u30a4\u30ca\u30df\u30c3\u30af.jpg 1027w, https:\/\/advanceadvance.net\/wp-content\/uploads\/2021\/01\/\u30b5\u30fc\u30d0\u3000\u30c0\u30a4\u30ca\u30df\u30c3\u30af-300x138.jpg 300w, https:\/\/advanceadvance.net\/wp-content\/uploads\/2021\/01\/\u30b5\u30fc\u30d0\u3000\u30c0\u30a4\u30ca\u30df\u30c3\u30af-1024x473.jpg 1024w, https:\/\/advanceadvance.net\/wp-content\/uploads\/2021\/01\/\u30b5\u30fc\u30d0\u3000\u30c0\u30a4\u30ca\u30df\u30c3\u30af-768x354.jpg 768w\" sizes=\"(max-width: 1027px) 100vw, 1027px\" \/><\/figure>\n\n\n\n<p>\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8IP\u30a2\u30c9\u30ec\u30b9\u3068\u30b0\u30ed\u30fc\u30d0\u30ebIP\u30a2\u30c9\u30ec\u30b9<\/h4>\n\n\n\n<p>IP\u30a2\u30c9\u30ec\u30b9\u306e\u6570\u306f\u6709\u9650\u3067\u3042\u308a\u3001\u7121\u5236\u9650\u306b\u5272\u308a\u5f53\u3066\u308b\u3053\u3068\u306f\u3067\u304d\u306a\u3044\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u305f\u3081\u3001\u4f01\u696d\u306eLAN\u306a\u3069\u306b\u304a\u3044\u3066\u306f\u3001\u7d44\u7e54\u306e\u5185\u90e8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff08LAN\uff09\u3060\u3051\u3067\u81ea\u7531\u306b\u5229\u7528\u3067\u304d\u308bIP\u30a2\u30c9\u30ec\u30b9\u304c\u591a\u304f\u7528\u3044\u3089\u308c\u308b\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u3092<strong>\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8IP\u30a2\u30c9\u30ec\u30b9<\/strong>\u3068\u3044\u3046\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u306b\u5bfe\u3057\u3066\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u3067\u4f7f\u7528\u3067\u304d\u308b\u6b63\u5f0f\u306aIP\u30a2\u30c9\u30ec\u30b9\u3092<strong>\u30b0\u30ed\u30fc\u30d0\u30ebIP\u30a2\u30c9\u30ec\u30b9<\/strong>\u3068\u3088\u3093\u3067\u533a\u5225\u3057\u3066\u3044\u308b\u3002<\/p>\n\n\n\n<p>\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8IP\u30a2\u30c9\u30ec\u30b9\u3092\u5272\u308a\u5f53\u3066\u3089\u308c\u305f\u7aef\u672b\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306e\u30db\u30b9\u30c8\u3068\u76f4\u63a5\u901a\u4fe1\u306f\u3067\u304d\u306a\u3044\u3002<\/p>\n\n\n\n<p>\u305d\u3053\u3067<strong>NAT<\/strong>\u3084<strong>IP\u30de\u30b9\u30ab\u30ec\u30fc\u30c9<\/strong>(<strong>NAPT<\/strong>)\u3068\u3044\u3063\u305f\u30a2\u30c9\u30ec\u30b9\u5909\u63db\u6a5f\u80fd\u3092\u7528\u3044\u308b\u3002<\/p>\n\n\n\n<p>NAT\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u63a5\u7d9a\u3057\u305f\u30eb\u30fc\u30bf\u304c\u3001\u30d8\u30c3\u30c0\u4e2d\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u66f8\u304d\u63db\u3048\u3066\u3001\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8IP\u30a2\u30c9\u30ec\u30b9\u3068\u30b0\u30ed\u30fc\u30d0\u30ebIP\u30a2\u30c9\u30ec\u30b9\u306e\u5909\u63db\u3092\u884c\u3046\u3002NAT\u3092\u7528\u3044\u308c\u3070\u3001\u7528\u610f\u3057\u305f\u30b0\u30ed\u30fc\u30d0\u30ebIP\u30a2\u30c9\u30ec\u30b9\u306e\u6570\u306e\u30db\u30b9\u30c8\u304c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u540c\u6642\u63a5\u7d9a\u3067\u304d\u308b\u3002<\/p>\n\n\n\n<p>IP\u30de\u30b9\u30ab\u30ec\u30fc\u30c9\u306f\u3001NAT\u306e\u767a\u5c55\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u3001\u30dd\u30fc\u30c8\u756a\u53f7\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u5909\u63db\u3092\u884c\u3046\u3002<\/p>\n\n\n\n<p>\u30dd\u30fc\u30c8\u756a\u53f7\u3068\u306f\u3001IP\u30a2\u30c9\u30ec\u30b9\u304c\u5efa\u7269\u306e\u4f4f\u6240\u3060\u3068\u3059\u308b\u3068\u3001\u90e8\u5c4b\u756a\u53f7\u306b\u76f8\u5f53\u3059\u308b\u3082\u306e\u3060\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u3060\u3068\u3001\u7528\u610f\u3057\u305f\u30b0\u30ed\u30fc\u30d0\u30ebIP\u30a2\u30c9\u30ec\u30b9\u304c\u4e00\u3064\u3067\u3042\u3063\u3066\u3082\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3078\u306e\u540c\u6642\u63a5\u7d9a\u306b\u5236\u9650\u306f\u306a\u304f\u306a\u308b\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000<\/p>\n\n\n\n<p>\u7d44\u7e54\u5185\u306f\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8IP\u30a2\u30c9\u30ec\u30b9\u3067\u69cb\u7bc9\u3057\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3068\u306e\u63a5\u70b9\u3068\u306a\u308b\u30eb\u30fc\u30bf\u306b\u30b0\u30ed\u30fc\u30d0\u30ebIP\u30a2\u30c9\u30ec\u30b9\u3092\u7528\u610f\u3059\u308b\u3002\u305d\u3057\u3066\u30eb\u30fc\u30bf\u304c\u30a2\u30c9\u30ec\u30b9\u3092\u76f8\u4e92\u306b\u5909\u63db\u3059\u308b\u3068\u3044\u3046\u308f\u3051\u3060\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"690\" height=\"480\" src=\"https:\/\/advanceadvance.net\/wp-content\/uploads\/2021\/01\/\u30b0\u30ed\u30fc\u30d0\u30eb\u30a2\u30c9\u30ec\u30b9.gif\" alt=\"\" class=\"wp-image-2123\"\/><\/figure>\n\n\n\n<p>\u306a\u304a\u3001\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8IP\u30a2\u30c9\u30ec\u30b9\u306f\u6b21\u306e\u7bc4\u56f2\u304c\u5229\u7528\u53ef\u80fd\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>\u30af\u30e9\u30b9A<\/td><td>10.0.0.0~10.255.255.255<\/td><\/tr><tr><td>\u30af\u30e9\u30b9B<\/td><td>172.16.0.0~172.31.255.255<\/td><\/tr><tr><td>\u30af\u30e9\u30b9C<\/td><td>192.168.0.0~192.168.255.255<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u5f8c\u8a18<\/h4>\n\n\n\n<p>\u3042\u3051\u307e\u3057\u3066\u304a\u3081\u3067\u3068\u3046\u3054\u3056\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30b3\u30ed\u30ca\u30a6\u30a4\u30eb\u30b9\u306e\u6d41\u884c\u306f\u3068\u3069\u307e\u308b\u3068\u3053\u308d\u3092\u77e5\u3089\u306a\u3044\u611f\u304c\u3042\u308b\u3002<\/p>\n\n\n\n<p>\u5927\u6666\u65e5\u306e\u6628\u591c\u306f\u3001\u81ea\u5b85\u8fd1\u6240\u306e\u98f2\u98df\u5e97\u7b49\u306f\u65e9\u3005\u3068\u9589\u5e97\u3057\u3066\u3057\u307e\u3044\u3001\u8857\u306f\u9591\u6563\u3068\u3057\u3066\u30b4\u30fc\u30b9\u30c8\u30bf\u30a6\u30f3\u306e\u3088\u3046\u3060\u3063\u305f\u3002<\/p>\n\n\n\n<p>\u4eca\u5e74\u306f\u3082\u3063\u3068\u660e\u308b\u3044\uff11\u5e74\u306b\u306a\u308b\u3068\u3088\u3044\u3067\u3059\u306d\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"450\" src=\"https:\/\/advanceadvance.net\/wp-content\/uploads\/2021\/01\/\u8fd1\u6c5f\u725b.png\" alt=\"\" class=\"wp-image-2127\" srcset=\"https:\/\/advanceadvance.net\/wp-content\/uploads\/2021\/01\/\u8fd1\u6c5f\u725b.png 1200w, https:\/\/advanceadvance.net\/wp-content\/uploads\/2021\/01\/\u8fd1\u6c5f\u725b-300x113.png 300w, https:\/\/advanceadvance.net\/wp-content\/uploads\/2021\/01\/\u8fd1\u6c5f\u725b-1024x384.png 1024w, https:\/\/advanceadvance.net\/wp-content\/uploads\/2021\/01\/\u8fd1\u6c5f\u725b-768x288.png 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3067\u3044\u308d\u3044\u308d\u306a\u30b5\u30a4\u30c8\u3092\u95b2\u89a7\u3059\u308b\u304c\u3001\u305f\u307e\u306b\u30a2\u30c0\u30eb\u30c8\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3068\u3001\u3044\u304d\u306a\u308a\u4f1a\u54e1\u767b\u9332\u3055\u308c\u3066\u304a\u91d1\u306e\u8acb\u6c42\u3092\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308b\u3002 \u3044\u308f\u3086\u308b\u60aa\u8cea\u306a\u30b5\u30a4\u30c8\u3060\u3002 \u3044\u3064\u3044\u3064\u307e\u3067\u306b\u6599\u91d1\u3092\u6307\u5b9a\u306e\u53e3\u5ea7\u306b\u632f\u308a\u8fbc\u307e\u306a\u3044\u3068\u3001\u3053\u3061\u3089\u306e [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","footnotes":""},"categories":[14],"tags":[462,451,455,456,467,449,454,432,466,428,465,461,460,463,452,464,453,457,439,458,459],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/advanceadvance.net\/index.php?rest_route=\/wp\/v2\/posts\/2080"}],"collection":[{"href":"https:\/\/advanceadvance.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/advanceadvance.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/advanceadvance.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/advanceadvance.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2080"}],"version-history":[{"count":30,"href":"https:\/\/advanceadvance.net\/index.php?rest_route=\/wp\/v2\/posts\/2080\/revisions"}],"predecessor-version":[{"id":2128,"href":"https:\/\/advanceadvance.net\/index.php?rest_route=\/wp\/v2\/posts\/2080\/revisions\/2128"}],"wp:attachment":[{"href":"https:\/\/advanceadvance.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2080"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/advanceadvance.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2080"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/advanceadvance.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2080"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}