{"id":476245,"date":"2023-08-09T07:26:52","date_gmt":"2023-08-09T07:26:52","guid":{"rendered":""},"modified":"2023-09-05T11:12:18","modified_gmt":"2023-09-05T11:12:18","slug":"class-e-ip-address","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/jp\/wiki\/class-e-ip-address\/","title":{"rendered":"\u30af\u30e9\u30b9 E IP \u30a2\u30c9\u30ec\u30b9"},"content":{"rendered":"<p>IP \u30a2\u30c9\u30ec\u30b9\u306f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u306e\u30d0\u30c3\u30af\u30dc\u30fc\u30f3\u3067\u3042\u308a\u3001\u30b0\u30ed\u30fc\u30d0\u30eb \u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3092\u69cb\u6210\u3059\u308b\u7121\u79e9\u5e8f\u306b\u5e83\u304c\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u30c7\u30fc\u30bf\u304c\u901a\u904e\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u30af\u30e9\u30b9 E IP \u30a2\u30c9\u30ec\u30b9\u306f\u3001\u5c06\u6765\u306e\u4f7f\u7528\u307e\u305f\u306f\u5b9f\u9a13\u306e\u305f\u3081\u306b\u6700\u521d\u306b\u4e88\u7d04\u3055\u308c\u3066\u3044\u308b\u56fa\u6709\u306e\u30af\u30e9\u30b9\u3067\u3042\u308a\u3001\u901a\u5e38\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30c8\u30e9\u30d5\u30a3\u30c3\u30af \u30d5\u30ed\u30fc\u3067\u306f\u901a\u5e38\u906d\u9047\u3057\u306a\u3044\u7bc4\u56f2\u3092\u7db2\u7f85\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30af\u30e9\u30b9 E IP \u30a2\u30c9\u30ec\u30b9\u306e\u8d77\u6e90<\/h2>\n<p>\u30af\u30e9\u30b9 E IP \u30a2\u30c9\u30ec\u30b9\u306f\u3001\u5143\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30d7\u30ed\u30c8\u30b3\u30eb (IPv4) \u306e\u4e00\u90e8\u3068\u3057\u3066\u78ba\u7acb\u3055\u308c\u30011981 \u5e74 9 \u6708\u306b Internet Engineering Task Force (IETF) \u306b\u3088\u3063\u3066 RFC 791 \u3067\u6700\u521d\u306b\u6307\u5b9a\u3055\u308c\u307e\u3057\u305f\u3002IPv4 \u30a2\u30c9\u30ec\u30b9\u306e 5 \u3064\u306e\u30af\u30e9\u30b9 (A \uff5e E) \u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002\u5148\u982d\u30d3\u30c3\u30c8\u306b\u57fa\u3065\u3044\u3066\u533a\u5225\u3055\u308c\u3001\u305d\u306e\u6307\u5b9a\u306f\u3055\u307e\u3056\u307e\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30b5\u30a4\u30ba\u3068\u76ee\u7684\u306b\u5bfe\u5fdc\u3059\u308b\u3053\u3068\u3092\u76ee\u7684\u3068\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<p>240.0.0.0 \u304b\u3089 255.255.255.254 \u307e\u3067\u306e\u7bc4\u56f2\u306e\u30af\u30e9\u30b9 E \u306f\u3001\u6025\u6210\u9577\u3059\u308b\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3067\u306f\u65b0\u3057\u3044\u30a2\u30c9\u30ec\u30b9\u6307\u5b9a\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u304c\u5fc5\u8981\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3068\u4e88\u60f3\u3055\u308c\u3001\u5f53\u521d\u306f\u5c06\u6765\u306e\u4f7f\u7528\u306e\u305f\u3081\u306b\u78ba\u4fdd\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002\u30af\u30e9\u30b9 E IP \u30a2\u30c9\u30ec\u30b9\u306e\u4e0a\u4f4d\u30d3\u30c3\u30c8\u306f\u5e38\u306b 1111 \u306b\u8a2d\u5b9a\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u7bc4\u56f2\u5185\u3067\u56fa\u6709\u306e\u6a5f\u80fd\u3067\u3059\u3002<\/p>\n<h2>\u30af\u30e9\u30b9 E IP \u30a2\u30c9\u30ec\u30b9\u306e\u8a73\u7d30\u60c5\u5831<\/h2>\n<p>\u5f53\u521d\u3001\u30af\u30e9\u30b9 E \u306f\u5b9f\u9a13\u76ee\u7684\u3068\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u62e1\u5927\u306b\u4f34\u3046\u5c06\u6765\u306e\u4f7f\u7528\u306e\u305f\u3081\u306b\u4e88\u7d04\u3055\u308c\u3066\u3044\u308b\u3068\u8003\u3048\u3089\u308c\u3066\u3044\u307e\u3057\u305f\u3002\u3057\u304b\u3057\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u306e\u5927\u5e45\u306a\u6210\u9577\u3068\u5909\u5316\u306b\u3082\u95a2\u308f\u3089\u305a\u3001\u3053\u306e\u30a2\u30c9\u30ec\u30b9 \u30d6\u30ed\u30c3\u30af\u306f\u516c\u5171\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3067\u306f\u307b\u3068\u3093\u3069\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002 IETF \u306e\u6700\u65b0\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3 RFC 1112 \u3067\u306f\u3001\u3053\u306e\u30d6\u30ed\u30c3\u30af\u306f\u4f9d\u7136\u3068\u3057\u3066\u300c\u5c06\u6765\u306e\u30a2\u30c9\u30ec\u30c3\u30b7\u30f3\u30b0 \u30e2\u30fc\u30c9\u7528\u306b\u4e88\u7d04\u300d\u3068\u3057\u3066\u6307\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30af\u30e9\u30b9 E \u306f\u7d04 2 \u5104 6,800 \u4e07\u306e\u30a2\u30c9\u30ec\u30b9\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u307b\u3068\u3093\u3069\u306e\u30c7\u30d0\u30a4\u30b9\u3068\u30eb\u30fc\u30bf\u30fc\u306f\u3001\u5f93\u6765\u306e\u30af\u30e9\u30b9 A\u3001B\u3001\u307e\u305f\u306f C \u306e\u7bc4\u56f2\u5916\u306b\u3042\u308b\u30a2\u30c9\u30ec\u30b9\u3092\u62d2\u5426\u3059\u308b\u3088\u3046\u306b\u30d7\u30ed\u30b0\u30e9\u30e0\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u7bc4\u56f2\u306b\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306e\u3059\u3079\u3066\u306e\u30c7\u30d0\u30a4\u30b9\u306b\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8 \u30a2\u30c9\u30ec\u30b9 (255.255.255.255) \u3082\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n<h2>\u30af\u30e9\u30b9 E IP \u30a2\u30c9\u30ec\u30b9\u306e\u5185\u90e8\u69cb\u9020<\/h2>\n<p>\u30af\u30e9\u30b9 E IP \u30a2\u30c9\u30ec\u30b9\u306f\u3001\u3059\u3079\u3066\u306e IPv4 \u30a2\u30c9\u30ec\u30b9\u3068\u540c\u69d8\u30014 \u30aa\u30af\u30c6\u30c3\u30c8\u306b\u5206\u5272\u3055\u308c\u305f 32 \u30d3\u30c3\u30c8\u3067\u69cb\u6210\u3055\u308c\u307e\u3059\u3002\u5404\u30aa\u30af\u30c6\u30c3\u30c8\u306e\u7bc4\u56f2\u306f\u300110 \u9032\u6570\u3067\u306f 0 \uff5e 255\u30012 \u9032\u6570\u3067\u306f 00000000 \uff5e 11111111 \u3067\u3059\u3002\u30af\u30e9\u30b9 E \u306e\u5148\u982d 4 \u30d3\u30c3\u30c8\u306f\u5e38\u306b 1111 \u3067\u3001\u7279\u5b9a\u306e\u30a2\u30c9\u30ec\u30b9\u6307\u5b9a\u7528\u306b 28 \u30d3\u30c3\u30c8\u304c\u6b8b\u308a\u307e\u3059\u3002<\/p>\n<p>\u69cb\u9020\u306f\u6b21\u306e\u3088\u3046\u306b\u8868\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre><div class=\"bg-black rounded-md mb-4\"><div class=\"flex items-center relative text-gray-200 bg-gray-800 px-4 py-2 text-xs font-sans justify-between rounded-t-md\"><button class=\"flex ml-auto gap-2\"><svg stroke=\"currentColor\" fill=\"none\" stroke-width=\"2\" viewbox=\"0 0 24 24\" stroke-linecap=\"round\" stroke-linejoin=\"round\" class=\"h-4 w-4\" height=\"1em\" width=\"1em\" ><path d=\"M16 4h2a2 2 0 0 1 2 2v14a2 2 0 0 1-2 2H6a2 2 0 0 1-2-2V6a2 2 0 0 1 2-2h2\"><\/path><rect x=\"8\" y=\"2\" width=\"8\" height=\"4\" rx=\"1\" ry=\"1\"><\/rect><\/svg>\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<\/button><\/div><div class=\"p-4 overflow-y-auto\"><code class=\"!whitespace-pre hljs\" data-no-translation=\"\">1111xxxx | xxxxxxxx | xxxxxxxx | xxxxxxxx\n<\/code><\/div><\/div><\/pre>\n<p>\u30af\u30e9\u30b9 E IP \u30a2\u30c9\u30ec\u30b9\u306f\u3001\u305d\u306e\u72ec\u7279\u306e\u69cb\u9020\u3068\u6307\u5b9a\u3055\u308c\u305f\u76ee\u7684\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u591a\u304f\u306e\u30b7\u30b9\u30c6\u30e0\u304c\u305d\u308c\u3089\u3092\u7121\u8996\u307e\u305f\u306f\u62d2\u5426\u3059\u308b\u3088\u3046\u306b\u30d7\u30ed\u30b0\u30e9\u30e0\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u65e2\u5b58\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u304a\u3088\u3073\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3068\u307b\u3068\u3093\u3069\u4e92\u63db\u6027\u304c\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<h2>\u30af\u30e9\u30b9 E IP \u30a2\u30c9\u30ec\u30b9\u306e\u4e3b\u306a\u6a5f\u80fd<\/h2>\n<p>\u30af\u30e9\u30b9 E IP \u30a2\u30c9\u30ec\u30b9\u306e\u4e3b\u306a\u7279\u5fb4\u306f\u3001\u5c06\u6765\u306e\u4f7f\u7528\u307e\u305f\u306f\u5b9f\u9a13\u306e\u305f\u3081\u306b\u6307\u5b9a\u3055\u308c\u305f\u76ee\u7684\u3067\u3042\u308a\u3001IPv4 \u30b7\u30b9\u30c6\u30e0\u5185\u3067\u56fa\u6709\u306e\u3082\u306e\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u305f\u3081\u3001\u3053\u306e\u30af\u30e9\u30b9\u306b\u306f\u3042\u308b\u7a0b\u5ea6\u306e\u8b0e\u3068\u597d\u5947\u5fc3\u304c\u751f\u307e\u308c\u3001\u7814\u7a76\u8005\u3084\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30a8\u30f3\u30b8\u30cb\u30a2\u304b\u3089\u306f\u3001IPv4 \u30a2\u30c9\u30ec\u30b9\u304c\u67af\u6e07\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u8003\u616e\u3057\u3066\u3001\u30af\u30e9\u30b9 E \u7bc4\u56f2\u3092\u4e00\u822c\u7528\u9014\u306b\u958b\u653e\u3059\u308b\u3088\u3046\u6c42\u3081\u308b\u58f0\u304c\u6642\u6298\u3042\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u305f\u3060\u3057\u3001\u4e3b\u306a\u8ab2\u984c\u306f\u3001\u3053\u308c\u3089\u306e\u30a2\u30c9\u30ec\u30b9\u3068\u65e2\u5b58\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u3068\u306e\u4e92\u63db\u6027\u304c\u306a\u3044\u3053\u3068\u3001\u304a\u3088\u3073\u30af\u30e9\u30b9 E \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b\u5bfe\u5fdc\u3059\u308b\u305f\u3081\u306b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3068\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3092\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u307e\u305f\u306f\u5909\u66f4\u3059\u308b\u306e\u306b\u5fc5\u8981\u306a\u52b4\u529b\u304c\u4f9d\u7136\u3068\u3057\u3066\u6b8b\u3063\u3066\u3044\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n<h2>\u30af\u30e9\u30b9 E IP \u30a2\u30c9\u30ec\u30b9\u306e\u7a2e\u985e<\/h2>\n<p>\u30af\u30e9\u30b9 E IP \u30a2\u30c9\u30ec\u30b9\u306f 1 \u7a2e\u985e\u306e\u307f\u3067\u3001\u4ed6\u306e IPv4 \u30a2\u30c9\u30ec\u30b9\u3068\u540c\u3058 32 \u30d3\u30c3\u30c8\u69cb\u9020\u306b\u5f93\u3044\u307e\u3059\u3002\u552f\u4e00\u306e\u9055\u3044\u306f\u3001\u4e8b\u524d\u5b9a\u7fa9\u3055\u308c\u305f\u5148\u982d\u30d3\u30c3\u30c8\u304c 1111 \u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n<h2>\u30af\u30e9\u30b9 E IP \u30a2\u30c9\u30ec\u30b9\u306e\u4f7f\u7528: \u8ab2\u984c\u3068\u89e3\u6c7a\u7b56<\/h2>\n<p>\u4e88\u7d04\u30b9\u30c6\u30fc\u30bf\u30b9\u3092\u8003\u616e\u3059\u308b\u3068\u3001\u30af\u30e9\u30b9 E IP \u30a2\u30c9\u30ec\u30b9\u306f\u5546\u7528\u5229\u7528\u3084\u30d1\u30d6\u30ea\u30c3\u30af \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u3067\u306e\u5c55\u958b\u3092\u76ee\u7684\u3068\u3057\u3066\u3044\u307e\u305b\u3093\u3002\u4e00\u90e8\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30b5\u30fc\u30d3\u30b9 \u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306f\u3001\u30af\u30e9\u30b9 E \u30a2\u30c9\u30ec\u30b9\u304b\u3089\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u5b8c\u5168\u306b\u62d2\u5426\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u4ed6\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30b5\u30fc\u30d3\u30b9 \u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306f\u3001\u30af\u30e9\u30b9 E \u30a2\u30c9\u30ec\u30b9\u304b\u3089\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u4f4e\u3044\u512a\u5148\u5ea6\u3068\u3057\u3066\u6271\u3046\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u305f\u3060\u3057\u3001\u30af\u30e9\u30b9 E IP \u30a2\u30c9\u30ec\u30b9\u306f\u3001\u516c\u7684\u306b\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b IP \u7bc4\u56f2\u3068\u7af6\u5408\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u5b9f\u9a13\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3001\u7814\u7a76\u65bd\u8a2d\u3001\u307e\u305f\u306f\u7814\u7a76\u5ba4\u3067\u65b0\u3057\u3044\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6280\u8853\u3084\u6982\u5ff5\u3092\u30c6\u30b9\u30c8\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u30af\u30e9\u30b9 E IP \u30a2\u30c9\u30ec\u30b9\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306e\u6700\u5927\u306e\u8ab2\u984c\u306f\u3001\u307b\u3068\u3093\u3069\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u5668\u304a\u3088\u3073\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3068\u306e\u4e92\u63db\u6027\u304c\u306a\u3044\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>\u30af\u30e9\u30b9 E \u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u305f\u3081\u306b\u65e2\u5b58\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u3092\u66f4\u65b0\u3059\u308b\u3053\u3068\u3092\u63d0\u6848\u3059\u308b\u4eba\u3082\u3044\u307e\u3059\u304c\u3001\u3053\u308c\u307e\u3067\u306e\u3068\u3053\u308d\u3001\u7279\u306b IPv6 \u306e\u51fa\u73fe\u306b\u3088\u308a\u3001\u305d\u308c\u306b\u4f34\u3046\u52b4\u529b\u3068\u30b3\u30b9\u30c8\u304c\u8a8d\u8b58\u3055\u308c\u3066\u3044\u308b\u30e1\u30ea\u30c3\u30c8\u3092\u4e0a\u56de\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>\u4ed6\u306e\u30af\u30e9\u30b9\u306e IP \u30a2\u30c9\u30ec\u30b9\u3068\u306e\u6bd4\u8f03<\/h2>\n<p>\u30af\u30e9\u30b9 E \u3068\u4ed6\u306e\u30af\u30e9\u30b9\u306e IP \u30a2\u30c9\u30ec\u30b9\u306e\u4e3b\u306a\u9055\u3044\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u304a\u3088\u3073\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306b\u3088\u308b IP \u30a2\u30c9\u30ec\u30b9\u306e\u4f7f\u7528\u3068\u53d7\u3051\u5165\u308c\u306b\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u7c21\u5358\u306a\u6bd4\u8f03\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u30af\u30e9\u30b9<\/th>\n<th>\u5148\u982d\u30d3\u30c3\u30c8<\/th>\n<th>\u30a2\u30c9\u30ec\u30b9\u7bc4\u56f2<\/th>\n<th>\u4f7f\u7528\u6cd5<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u3042<\/td>\n<td>0xxxxxxx<\/td>\n<td>1.0.0.0 \uff5e 126.0.0.0<\/td>\n<td>\u516c\u8846\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8<\/td>\n<\/tr>\n<tr>\n<td>B<\/td>\n<td>10xxxxxx<\/td>\n<td>128.0.0.0 \uff5e 191.255.0.0<\/td>\n<td>\u516c\u8846\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8<\/td>\n<\/tr>\n<tr>\n<td>C<\/td>\n<td>110xxxxx<\/td>\n<td>192.0.0.0 \uff5e 223.255.255.0<\/td>\n<td>\u516c\u8846\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8<\/td>\n<\/tr>\n<tr>\n<td>D<\/td>\n<td>1110xxxx<\/td>\n<td>224.0.0.0 \uff5e 239.255.255.255<\/td>\n<td>\u30de\u30eb\u30c1\u30ad\u30e3\u30b9\u30c8<\/td>\n<\/tr>\n<tr>\n<td>E<\/td>\n<td>1111xxxx<\/td>\n<td>240.0.0.0 \uff5e 255.255.255.254<\/td>\n<td>\u5b9f\u9a13\u7684<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u30af\u30e9\u30b9 E IP \u30a2\u30c9\u30ec\u30b9\u306b\u95a2\u3059\u308b\u5c06\u6765\u306e\u5c55\u671b<\/h2>\n<p>E\u30af\u30e9\u30b9\u306e\u5c06\u6765\u306f\u4f9d\u7136\u3068\u3057\u3066\u4e0d\u900f\u660e\u3060\u3002 IPv4 \u306e\u67af\u6e07\u3092\u8003\u616e\u3057\u3066\u3001\u3053\u308c\u3089\u306e\u30a2\u30c9\u30ec\u30b9\u306e\u5229\u7528\u3092\u6c42\u3081\u308b\u58f0\u304c\u6642\u6298\u3042\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u65e2\u5b58\u306e\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u3068\u306e\u975e\u4e92\u63db\u6027\u3068\u3044\u3046\u5e83\u7bc4\u306a\u554f\u984c\u3068\u3001\u67af\u6e07\u306b\u5bfe\u51e6\u3059\u308b\u305f\u3081\u306e\u9577\u671f\u7684\u306a\u89e3\u6c7a\u7b56\u3068\u3057\u3066 IPv6 \u306e\u63a1\u7528\u304c\u5897\u52a0\u3057\u3066\u3044\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u3053\u306e\u53ef\u80fd\u6027\u306f\u4f4e\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3044\u305a\u308c\u306b\u305b\u3088\u3001\u30af\u30e9\u30b9 E \u306f\u4f9d\u7136\u3068\u3057\u3066\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7814\u7a76\u8005\u306b\u3068\u3063\u3066\u597d\u5947\u5fc3\u306e\u5bfe\u8c61\u3067\u3042\u308a\u3001\u5b9f\u9a13\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u4f7f\u7528\u3055\u308c\u308b\u53ef\u80fd\u6027\u3092\u79d8\u3081\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3068\u30af\u30e9\u30b9 E IP \u30a2\u30c9\u30ec\u30b9\u306e\u95a2\u9023\u4ed8\u3051<\/h2>\n<p>\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30d1\u30d6\u30ea\u30c3\u30af \u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u5883\u754c\u5185\u3067\u52d5\u4f5c\u3059\u308b\u3053\u3068\u3092\u76ee\u7684\u3068\u3057\u3066\u304a\u308a\u3001\u30af\u30e9\u30b9 E \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u5927\u90e8\u5206\u304c\u62d2\u5426\u307e\u305f\u306f\u7121\u8996\u3055\u308c\u308b\u305f\u3081\u3001\u901a\u5e38\u3001\u30af\u30e9\u30b9 E \u306e IP \u30a2\u30c9\u30ec\u30b9\u306f\u4f7f\u7528\u3057\u307e\u305b\u3093\u3002\u305f\u3060\u3057\u3001\u30af\u30e9\u30b9 E \u306e\u5236\u9650\u304c\u89e3\u9664\u3055\u308c\u305f\u5834\u5408\u3001\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u7406\u8ad6\u7684\u306b\u306f\u3053\u306e\u7bc4\u56f2\u3092\u64cd\u4f5c\u306b\u4f7f\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u30af\u30e9\u30b9 E \u306e\u56fa\u6709\u306e\u7279\u6027\u3092\u8003\u616e\u3059\u308b\u3068\u3001OneProxy \u306a\u3069\u306e\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc \u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306f\u3001\u3053\u308c\u3089\u306e IP \u30a2\u30c9\u30ec\u30b9\u306e\u4f7f\u7528\u72b6\u6cc1\u306e\u5909\u66f4\u3092\u76e3\u8996\u3059\u308b\u3053\u3068\u306b\u95a2\u5fc3\u3092\u6301\u3064\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u73fe\u6642\u70b9\u3067\u306f\u3001\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306e\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3067\u306e\u30af\u30e9\u30b9 E IP \u30a2\u30c9\u30ec\u30b9\u306e\u4f7f\u7528\u306f\u3001\u305b\u3044\u305c\u3044\u7406\u8ad6\u4e0a\u306e\u3082\u306e\u3067\u3059\u3002<\/p>\n<h2>\u95a2\u9023\u30ea\u30f3\u30af<\/h2>\n<ol>\n<li><a href=\"https:\/\/tools.ietf.org\/html\/rfc791\" target=\"_new\" rel=\"noopener nofollow\">\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30d7\u30ed\u30c8\u30b3\u30eb \u2013 DARPA \u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30d7\u30ed\u30b0\u30e9\u30e0 \u30d7\u30ed\u30c8\u30b3\u30eb\u4ed5\u69d8 (RFC 791)<\/a><\/li>\n<li><a href=\"https:\/\/tools.ietf.org\/html\/rfc1112\" target=\"_new\" rel=\"noopener nofollow\">IP \u30de\u30eb\u30c1\u30ad\u30e3\u30b9\u30c8\u7528\u306e\u30db\u30b9\u30c8\u62e1\u5f35 (RFC 1112)<\/a><\/li>\n<li><a href=\"https:\/\/www.ietf.org\/\" target=\"_new\" rel=\"noopener nofollow\">\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0 \u30bf\u30b9\u30af \u30d5\u30a9\u30fc\u30b9 (IETF)<\/a><\/li>\n<li><a href=\"https:\/\/oneproxy.pro\/jp\/\" target=\"_new\" rel=\"noopener\">OneProxy \u2013 \u30db\u30fc\u30e0<\/a><\/li>\n<\/ol>","protected":false},"featured_media":476246,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476245","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Class E IP Addresses: An In-depth Examination<\/mark>","faq_items":[{"question":"What is a Class E IP Address?","answer":"<p>A Class E IP Address is a type of Internet Protocol Version 4 (IPv4) address that was originally reserved for future use or experimentation. It covers the range from 240.0.0.0 to 255.255.255.254.<\/p>"},{"question":"When were Class E IP Addresses first introduced?","answer":"<p>Class E IP Addresses were established as part of the original Internet Protocol (IPv4), first specified in September 1981 by the Internet Engineering Task Force (IETF) in RFC 791.<\/p>"},{"question":"Why are Class E IP Addresses not commonly used?","answer":"<p>Class E IP addresses are not commonly used because they are typically incompatible with existing network software and hardware, which are often programmed to ignore or reject them. They were originally reserved for future use or experimental purposes and have largely remained unused.<\/p>"},{"question":"What is the structure of a Class E IP Address?","answer":"<p>A Class E IP Address, like all IPv4 addresses, is made up of 32 bits separated into four octets. Each octet ranges from 0 to 255 in decimal notation, or 00000000 to 11111111 in binary. The leading four bits in Class E are always 1111, leaving 28 bits for specific addressing.<\/p>"},{"question":"How does a Class E IP Address compare to other IP Address Classes?","answer":"<p>The main difference between Class E and other IP Address Classes lies in their usage and acceptance by network hardware and software. While Classes A to C are commonly used in the public internet and Class D for multicast, Class E is reserved for experimental purposes.<\/p>"},{"question":"Can Class E IP Addresses be used with Proxy Servers?","answer":"<p>Proxy servers generally do not use Class E IP addresses as they are intended to operate within the public internet, which largely rejects or ignores Class E traffic. However, if the restrictions on Class E were to be lifted, proxy servers could theoretically use this range for their operations.<\/p>"},{"question":"What are the future perspectives related to Class E IP Addresses?","answer":"<p>The future of Class E remains uncertain. While there are occasional calls to utilize these addresses given the IPv4 exhaustion, the pervasive issue of incompatibility with existing infrastructure and the rising adoption of IPv6 as a long-term solution to address exhaustion makes this unlikely.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/476245","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/476245\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media\/476246"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media?parent=476245"}],"curies":[{"name":"\u3046\u30fc\u3093","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}