{"id":2151,"date":"2026-09-07T13:14:20","date_gmt":"2026-09-07T04:14:20","guid":{"rendered":"https:\/\/classlab.co.jp\/internet-center\/?p=2151"},"modified":"2026-09-07T13:14:20","modified_gmt":"2026-09-07T04:14:20","slug":"commufa-toha","status":"publish","type":"post","link":"https:\/\/classlab.co.jp\/internet-center\/kaisen-guide\/commufa-toha\/","title":{"rendered":"\u30b3\u30df\u30e5\u30d5\u30a1\u5149\u3068\u306f\uff1f\u904b\u55b6\u4f1a\u793e\u3068\u3001\u30d7\u30ed\u30d0\u30a4\u30c0\u4e00\u4f53\u578b\u30fb\u9078\u629e\u578b\u306e\u9078\u3073\u5206\u3051"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\u30b3\u30df\u30e5\u30d5\u30a1\u5149\u306f\u3001\u4e2d\u90e8\u30c6\u30ec\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u682a\u5f0f\u4f1a\u793e\u304c\u611b\u77e5\u30fb\u5c90\u961c\u30fb\u4e09\u91cd\u30fb\u9759\u5ca1\u30fb\u9577\u91ce\u306e5\u770c\u3067\u63d0\u4f9b\u3057\u3066\u3044\u308b\u5149\u56de\u7dda\u3067\u3059\u3002<br \/>NTT\u306e\u30d5\u30ec\u30c3\u30c4\u7db2\u3092\u501f\u308a\u308b\u5149\u30b3\u30e9\u30dc\u30ec\u30fc\u30b7\u30e7\u30f3\u3068\u306f\u5225\u3067\u3001\u81ea\u793e\u3067\u6577\u3044\u305f\u56de\u7dda\u3092\u4f7f\u3044\u307e\u3059\u3002<br \/>\u305d\u3057\u3066\u5951\u7d04\u306e\u5f62\u304c2\u7a2e\u985e\u3042\u308a\u3001\u3069\u3061\u3089\u3092\u9078\u3076\u304b\u3067\u30d7\u30ed\u30d0\u30a4\u30c0\u306e\u8acb\u6c42\u5148\u3082\u3001IPv6\u304c\u4f7f\u3048\u308b\u304b\u3069\u3046\u304b\u3082\u5909\u308f\u308a\u307e\u3059\u3002<\/p>\n<p class=\"is-style-icon_info\">\u672c\u8a18\u4e8b\u306e\u60c5\u5831\u306f2026\u5e749\u6708\u6642\u70b9\u306e\u3082\u306e\u3067\u3059\u3002\u6599\u91d1\u30fb\u6761\u4ef6\u306f\u5909\u66f4\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u6700\u65b0\u60c5\u5831\u306f\u30b3\u30df\u30e5\u30d5\u30a1\u5149\u306e\u516c\u5f0f\u30b5\u30a4\u30c8\u3067\u3054\u78ba\u8a8d\u304f\u3060\u3055\u3044\u3002<\/p>\n<div class=\"swell-block-capbox cap_box\">\n<div class=\"cap_box_ttl\"><span>\u30b3\u30df\u30e5\u30d5\u30a1\u5149\u3068\u306f\uff08\u8981\u70b9\uff09<\/span><\/div>\n<div class=\"cap_box_content\">\n<ul class=\"wp-block-list\">\n<li>\u30b3\u30df\u30e5\u30d5\u30a1\u5149\u306f\u3001<strong>\u4e2d\u90e8\u30c6\u30ec\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u682a\u5f0f\u4f1a\u793e\uff08ctc\uff09\u304c\u63d0\u4f9b\u3059\u308b\u5149\u56de\u7dda<\/strong>\u3067\u3059\u3002<\/li>\n<li>\u4f7f\u3048\u308b\u306e\u306f<strong>\u611b\u77e5\u30fb\u5c90\u961c\u30fb\u4e09\u91cd\u30fb\u9759\u5ca1\u30fb\u9577\u91ce\u306e5\u770c<\/strong>\u3060\u3051\u3067\u3001\u5168\u56fd\u3067\u306f\u7533\u3057\u8fbc\u3081\u307e\u305b\u3093\u3002<\/li>\n<li><strong>NTT\u306e\u30d5\u30ec\u30c3\u30c4\u7db2\u3092\u4f7f\u308f\u306a\u3044\u72ec\u81ea\u306e\u56de\u7dda<\/strong>\u3067\u3059\u3002\u30d5\u30ec\u30c3\u30c4\u5149\u3084\u5149\u30b3\u30e9\u30dc\u304b\u3089\u306e\u4e57\u308a\u63db\u3048\u3067\u306f\u3001\u8ee2\u7528\u3084\u4e8b\u696d\u8005\u5909\u66f4\u306e\u624b\u7d9a\u304d\u304c\u4f7f\u3048\u307e\u305b\u3093\u3002<\/li>\n<li>\u5951\u7d04\u306f<strong>\u30d7\u30ed\u30d0\u30a4\u30c0\u4e00\u4f53\u578b<\/strong>\u3068<strong>\u30d7\u30ed\u30d0\u30a4\u30c0\u9078\u629e\u578b\uff08\u30bb\u30ec\u30af\u30c8\u30bf\u30a4\u30d7\uff09<\/strong>\u306e2\u7a2e\u985e\u304b\u3089\u9078\u3073\u307e\u3059\u3002\u9078\u629e\u578b\u306f\u8acb\u6c42\u304c2\u793e\u306b\u5206\u304b\u308c\u307e\u3059\u3002<\/li>\n<li><strong>IPv6\u306f\u4e00\u4f53\u578b\u306a\u3089\u6a19\u6e96\u5bfe\u5fdc<\/strong>\u3067\u3059\u304c\u3001\u9078\u629e\u578b\u306f\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u30d7\u30ed\u30d0\u30a4\u30c0\u306b\u9650\u3089\u308c\u307e\u3059\u3002\u3069\u3061\u3089\u306e\u5834\u5408\u3082\u30b3\u30df\u30e5\u30d5\u30a1\u5149\u63d0\u4f9b\u306e\u30db\u30fc\u30e0\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u304c\u5fc5\u8981\u3067\u3059\u3002<\/li>\n<li>\u89aa\u4f1a\u793e\u306fKDDI\u3067\u3001<strong>au\u306e\u30b9\u30de\u30fc\u30c8\u30d0\u30ea\u30e5\u30fc\u304c\u4f7f\u3048\u307e\u3059<\/strong>\u3002\u540d\u524d\u304b\u3089\u4e2d\u90e8\u96fb\u529b\u7cfb\u3060\u3051\u3092\u601d\u3044\u6d6e\u304b\u3079\u308b\u3068\u3001\u3053\u306e\u70b9\u3092\u898b\u843d\u3068\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div class=\"soudan-qa\">\n<p class=\"soudan-q\">\u30b3\u30df\u30e5\u30d5\u30a1\u5149\u3063\u3066\u3001\u305d\u3082\u305d\u3082\u3069\u3053\u306e\u4f1a\u793e\u3067\u3059\u304b\uff1f\u5730\u57df\u306e\u96fb\u529b\u4f1a\u793e\u306e\u7cfb\u5217\u3060\u3068\u805e\u3044\u305f\u306e\u3067\u3059\u304c\u3002<\/p>\n<div class=\"soudan-block\">\n<img decoding=\"async\" class=\"soudan-avatar\" src=\"https:\/\/classlab.co.jp\/internet-center\/wp-content\/uploads\/2026\/08\/soudanin-owl3d-think-face.png\" alt=\"\u76f8\u8ac7\u54e1\" width=\"72\" height=\"72\"><\/p>\n<div class=\"soudan-body\">\n<p class=\"soudan-who\">\u76f8\u8ac7\u54e1<\/p>\n<p class=\"soudan-say\">\u59cb\u307e\u308a\u306f\u4e2d\u90e8\u96fb\u529b\u7cfb\u3067\u5408\u3063\u3066\u3044\u307e\u3059\u3002\u305f\u3060<strong>\u3044\u307e\u306e\u89aa\u4f1a\u793e\u306fKDDI<\/strong>\u3067\u3001\u4e2d\u90e8\u96fb\u529b\u306f\u5c11\u6570\u306e\u682a\u4e3b\u3068\u3044\u3046\u95a2\u4fc2\u3067\u3059\u3002\u3053\u3053\u3092\u77e5\u3063\u3066\u3044\u308b\u3068\u7d0d\u5f97\u3057\u3084\u3059\u3044\u306e\u304c\u3001<strong>au\u306e\u30b9\u30de\u30fc\u30c8\u30d0\u30ea\u30e5\u30fc\u304c\u4f7f\u3048\u308b<\/strong>\u3068\u3044\u3046\u70b9\u3002\u300c\u4e2d\u90e8\u96fb\u529b\u306e\u56de\u7dda\u306a\u306e\u306b\u3001\u306a\u305cau\u306e\u5272\u5f15\uff1f\u300d\u3068\u8ff7\u3046\u65b9\u304c\u591a\u3044\u306e\u3067\u3059\u304c\u3001\u8cc7\u672c\u95a2\u4fc2\u3092\u898b\u308b\u3068\u7d20\u76f4\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<h2 class=\"wp-block-heading\">\u63d0\u4f9b\u3057\u3066\u3044\u308b\u306e\u306f\u4e2d\u90e8\u30c6\u30ec\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u682a\u5f0f\u4f1a\u793e<\/h2>\n<p class=\"wp-block-paragraph\">\u30b3\u30df\u30e5\u30d5\u30a1\u5149\u3092\u63d0\u4f9b\u3057\u3066\u3044\u308b\u306e\u306f\u3001\u540d\u53e4\u5c4b\u5e02\u306b\u672c\u793e\u3092\u7f6e\u304f\u4e2d\u90e8\u30c6\u30ec\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u682a\u5f0f\u4f1a\u793e\uff08\u7565\u79f0ctc\uff09\u3067\u3059\u3002<br \/>1986\u5e74\u306e\u8a2d\u7acb\u3067\u30012002\u5e74\u306b\u5149\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u300c\u30b3\u30df\u30e5\u30d5\u30a1\u5149\u300d\u3092\u59cb\u3081\u30012008\u5e74\u306bKDDI\u30b0\u30eb\u30fc\u30d7\u3078\u52a0\u308f\u308a\u307e\u3057\u305f\uff08<a href=\"https:\/\/www.ctc.co.jp\/company\/history\/\" target=\"_blank\" rel=\"noopener\">\u51fa\u5178\uff1actc\u300c\u6cbf\u9769\u300d<\/a>\uff09\u3002<\/p>\n<table class=\"wp-block-table\">\n<tbody>\n<tr>\n<th>\u9805\u76ee<\/th>\n<th>\u5185\u5bb9<\/th>\n<\/tr>\n<tr>\n<td>\u4f1a\u793e\u540d<\/td>\n<td>\u4e2d\u90e8\u30c6\u30ec\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u682a\u5f0f\u4f1a\u793e\uff08ctc\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u672c\u793e<\/td>\n<td>\u540d\u53e4\u5c4b\u5e02<\/td>\n<\/tr>\n<tr>\n<td>\u8a2d\u7acb<\/td>\n<td>1986\u5e74<\/td>\n<\/tr>\n<tr>\n<td>\u8cc7\u672c\u91d1<\/td>\n<td>388\u51041,648\u4e07\u5186<\/td>\n<\/tr>\n<tr>\n<td>\u5f93\u696d\u54e1\u6570<\/td>\n<td>978\u540d\uff082025\u5e744\u6708\u6642\u70b9\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u682a\u4e3b<\/td>\n<td>KDDI\u682a\u5f0f\u4f1a\u793e\u30fb\u4e2d\u90e8\u96fb\u529b\u682a\u5f0f\u4f1a\u793e<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"wp-block-paragraph\">\u51fa\u5178\uff1a<a href=\"https:\/\/www.ctc.co.jp\/company\/outline\/\" target=\"_blank\" rel=\"noopener\">ctc\u300c\u4f1a\u793e\u6982\u8981\u300d<\/a><\/p>\n<p class=\"wp-block-paragraph\">\u300c\u30b3\u30df\u30e5\u30d5\u30a1\u300d\u3068\u3044\u3046\u30d6\u30e9\u30f3\u30c9\u540d\u306f\u96fb\u529b\u4f1a\u793e\u306e\u5370\u8c61\u304c\u5f37\u3044\u306e\u3067\u3059\u304c\u3001\u8cc7\u672c\u306e\u3046\u3048\u3067\u306fKDDI\u30b0\u30eb\u30fc\u30d7\u306e\u4f1a\u793e\u3067\u3059\u3002<br \/>\u5f8c\u8ff0\u3059\u308bau\u306e\u30bb\u30c3\u30c8\u5272\u304c\u4f7f\u3048\u308b\u306e\u306f\u3001\u3053\u306e\u95a2\u4fc2\u306b\u3088\u308a\u307e\u3059\u3002<\/p>\n<h2 class=\"wp-block-heading\">\u30d5\u30ec\u30c3\u30c4\u7db2\u3092\u501f\u308a\u306a\u3044\u300c\u72ec\u81ea\u56de\u7dda\u300d\u3067\u3042\u308b\u3053\u3068<\/h2>\n<p class=\"wp-block-paragraph\">\u30c9\u30b3\u30e2\u5149\u30fbBIGLOBE\u5149\u30fbSo-net\u5149\u306a\u3069\u306e\u5149\u30b3\u30e9\u30dc\u30ec\u30fc\u30b7\u30e7\u30f3\u306f\u3001NTT\u6771\u65e5\u672c\u30fbNTT\u897f\u65e5\u672c\u306e\u30d5\u30ec\u30c3\u30c4\u5149\u306e\u8a2d\u5099\u3092\u501f\u308a\u3066\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\u3002<br \/>\u30b3\u30df\u30e5\u30d5\u30a1\u5149\u306f\u3053\u306e\u4ed5\u7d44\u307f\u306b\u4e57\u3089\u305a\u3001\u81ea\u793e\u3067\u6577\u3044\u305f\u56de\u7dda\u3092\u4f7f\u3044\u307e\u3059\u3002<br \/>\u540c\u3058\u300c\u5149\u56de\u7dda\u300d\u3067\u3082\u3001\u901a\u3063\u3066\u3044\u308b\u8a2d\u5099\u305d\u306e\u3082\u306e\u304c\u9055\u3046\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<\/p>\n<p class=\"wp-block-paragraph\">\u8a2d\u5099\u304c\u81ea\u793e\u306e\u3082\u306e\u3067\u3042\u308b\u3053\u3068\u306f\u3001\u4f7f\u3048\u308b\u5834\u6240\u304c\u4e2d\u90e85\u770c\u306b\u9650\u3089\u308c\u308b\u7406\u7531\u3067\u3082\u3042\u308a\u307e\u3059\u3002<br \/>\u30d5\u30ec\u30c3\u30c4\u7db2\u306a\u3089\u5168\u56fd\u3069\u3053\u3067\u3082\u540c\u3058\u4e8b\u696d\u8005\u3092\u9078\u3079\u307e\u3059\u304c\u3001\u30b3\u30df\u30e5\u30d5\u30a1\u5149\u306f\u81ea\u793e\u304c\u56de\u7dda\u3092\u6577\u3044\u305f\u7bc4\u56f2\u3067\u3057\u304b\u7533\u3057\u8fbc\u3081\u307e\u305b\u3093\u3002<br \/>\u30a8\u30ea\u30a2\u306e\u5916\u306b\u5f15\u3063\u8d8a\u3059\u3068\u3001\u5951\u7d04\u3092\u7d9a\u3051\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p class=\"wp-block-paragraph\">\u624b\u7d9a\u304d\u306e\u9762\u3067\u306f\u3001\u4e57\u308a\u63db\u3048\u306e\u3084\u308a\u65b9\u304c\u5909\u308f\u308a\u307e\u3059\u3002<br \/>\u8a73\u3057\u304f\u306f <a href=\"https:\/\/classlab.co.jp\/internet-center\/kaisen-guide\/commufa-norikae\/\">\u30b3\u30df\u30e5\u30d5\u30a1\u5149\u3078\u306e\u4e57\u308a\u63db\u3048\u624b\u9806<\/a> \u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2 class=\"wp-block-heading\">\u30d7\u30ed\u30d0\u30a4\u30c0\u4e00\u4f53\u578b\u3068\u9078\u629e\u578b\u306e\u3069\u3061\u3089\u304b\u3092\u9078\u3076<\/h2>\n<p class=\"wp-block-paragraph\">\u30b3\u30df\u30e5\u30d5\u30a1\u5149\u306e\u7533\u3057\u8fbc\u307f\u3067\u306f\u3001\u5951\u7d04\u306e\u5f62\u30922\u3064\u304b\u3089\u9078\u3073\u307e\u3059\u3002<br \/>\u3053\u3053\u306f\u6599\u91d1\u3084\u901f\u5ea6\u306e\u6bd4\u8f03\u8a18\u4e8b\u3067\u306f\u3042\u307e\u308a\u89e6\u308c\u3089\u308c\u307e\u305b\u3093\u304c\u3001\u3042\u3068\u304b\u3089\u52b9\u3044\u3066\u304f\u308b\u5206\u304b\u308c\u9053\u3067\u3059\u3002<\/p>\n<table class=\"wp-block-table\">\n<tbody>\n<tr>\n<th>\u3000<\/th>\n<th>\u30d7\u30ed\u30d0\u30a4\u30c0\u4e00\u4f53\u578b<\/th>\n<th>\u30d7\u30ed\u30d0\u30a4\u30c0\u9078\u629e\u578b\uff08\u30bb\u30ec\u30af\u30c8\u30bf\u30a4\u30d7\uff09<\/th>\n<\/tr>\n<tr>\n<td><strong>\u30d7\u30ed\u30d0\u30a4\u30c0<\/strong><\/td>\n<td>\u30b3\u30df\u30e5\u30d5\u30a1\u5149\u304c\u56de\u7dda\u3068\u30bb\u30c3\u30c8\u3067\u63d0\u4f9b<\/td>\n<td>\u63d0\u643a\u30d7\u30ed\u30d0\u30a4\u30c0\u304b\u3089\u9078\u3076<\/td>\n<\/tr>\n<tr>\n<td><strong>\u8acb\u6c42<\/strong><\/td>\n<td>\u30b3\u30df\u30e5\u30d5\u30a1\u5149\u306b\u307e\u3068\u307e\u308b<\/td>\n<td>\u56de\u7dda\u6599\u91d1\u306f\u30b3\u30df\u30e5\u30d5\u30a1\u5149\u3001\u30d7\u30ed\u30d0\u30a4\u30c0\u5229\u7528\u6599\u306f\u5225\u4f1a\u793e\u304b\u3089<\/td>\n<\/tr>\n<tr>\n<td><strong>\u6280\u8853\u30b5\u30dd\u30fc\u30c8<\/strong><\/td>\n<td>\u30b3\u30df\u30e5\u30d5\u30a1\u5149\u304c\u5bfe\u5fdc<\/td>\n<td>\u30d7\u30ed\u30d0\u30a4\u30c0\u63d0\u4f9b\u306e\u30b5\u30fc\u30d3\u30b9\uff08\u30e1\u30fc\u30eb\u7b49\uff09\u306f\u30d7\u30ed\u30d0\u30a4\u30c0\u304c\u5bfe\u5fdc<\/td>\n<\/tr>\n<tr>\n<td><strong>\u5411\u3044\u3066\u3044\u308b\u4eba<\/strong><\/td>\n<td>\u7a93\u53e3\u30921\u3064\u306b\u307e\u3068\u3081\u305f\u3044\u4eba<\/td>\n<td>\u4f7f\u3044\u6163\u308c\u305f\u30d7\u30ed\u30d0\u30a4\u30c0\u3092\u7d9a\u3051\u305f\u3044\u4eba\u3001\u30d7\u30ed\u30d0\u30a4\u30c0\u72ec\u81ea\u306e\u30b5\u30fc\u30d3\u30b9\u3092\u4f7f\u3044\u305f\u3044\u4eba<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"wp-block-paragraph\">\u51fa\u5178\uff1a<a href=\"https:\/\/help.commufa.jp\/%E3%82%B3%E3%83%9F%E3%83%A5%E3%83%95%E3%82%A1%E5%85%89%E3%80%8C%E4%B8%80%E4%BD%93%E5%9E%8B%E3%80%8D%E3%80%8C%E9%81%B8%E6%8A%9E%E5%9E%8B%E3%80%8D%E3%81%A8%E3%81%AF%EF%BC%9F-68db772dfe2a0b5c22e83f50\" target=\"_blank\" rel=\"noopener\">\u30b3\u30df\u30e5\u30d5\u30a1\u5149\u300c\u30b3\u30df\u30e5\u30d5\u30a1\u5149\u300e\u4e00\u4f53\u578b\u300f\u300e\u9078\u629e\u578b\u300f\u3068\u306f\uff1f\u300d<\/a><\/p>\n<p class=\"wp-block-paragraph\">\u8acb\u6c42\u304c2\u3064\u306b\u5206\u304b\u308c\u308b\u3068\u3044\u3046\u3053\u3068\u306f\u3001<strong>\u6bce\u6708\u306e\u652f\u6255\u3044\u7dcf\u984d\u304c\u30b3\u30df\u30e5\u30d5\u30a1\u5149\u306e\u8acb\u6c42\u66f8\u3060\u3051\u3067\u306f\u5206\u304b\u3089\u306a\u3044<\/strong>\u3068\u3044\u3046\u3053\u3068\u3067\u3082\u3042\u308a\u307e\u3059\u3002<br \/>\u4ed6\u793e\u3068\u6708\u984d\u3092\u6bd4\u3079\u308b\u3068\u304d\u306f\u3001\u9078\u629e\u578b\u306a\u3089\u30d7\u30ed\u30d0\u30a4\u30c0\u5229\u7528\u6599\u3092\u8db3\u3057\u3066\u304b\u3089\u6bd4\u3079\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2 class=\"wp-block-heading\">IPv6\u306f\u300c\u3069\u3061\u3089\u306e\u5951\u7d04\u304b\u300d\u3067\u6271\u3044\u304c\u5909\u308f\u308b<\/h2>\n<p class=\"wp-block-paragraph\">\u30b3\u30df\u30e5\u30d5\u30a1\u5149\u306fIPv6\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u6761\u4ef6\u304c\u3064\u3044\u3066\u3044\u307e\u3059\u3002<br \/>2012\u5e746\u67081\u65e5\u4ee5\u964d\u306e\u5951\u7d04\u3067\u306f\u3001<strong>\u30d7\u30ed\u30d0\u30a4\u30c0\u4e00\u4f53\u578b\u306f\u6a19\u6e96\u5bfe\u5fdc\u3001\u30d7\u30ed\u30d0\u30a4\u30c0\u9078\u629e\u578b\u306f\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u30d7\u30ed\u30d0\u30a4\u30c0\u306b\u9650\u308a\u5bfe\u5fdc<\/strong>\u3068\u6848\u5185\u3055\u308c\u3066\u3044\u307e\u3059\u3002<br \/>\u3042\u308f\u305b\u3066\u300cIPv6\u63a5\u7d9a\u306e\u3054\u5229\u7528\u306f\u30b3\u30df\u30e5\u30d5\u30a1\u5149\u63d0\u4f9b\u306e\u30db\u30fc\u30e0\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u304c\u5fc5\u8981\u3067\u3059\u300d\u3068\u3082\u660e\u8a18\u3055\u308c\u3066\u3044\u307e\u3059\uff08<a href=\"https:\/\/www.commufa.jp\/services\/common\/ipv6\/\" target=\"_blank\" rel=\"noopener\">\u51fa\u5178\uff1a\u30b3\u30df\u30e5\u30d5\u30a1\u5149\u300c\u300e\u30b3\u30df\u30e5\u30d5\u30a1\u5149\u300f\u306b\u304a\u3051\u308bIPv6\u5bfe\u5fdc\u306b\u3064\u3044\u3066\u300d<\/a>\uff09\u3002<\/p>\n<p class=\"wp-block-paragraph\">\u3064\u307e\u308a\u9078\u629e\u578b\u3092\u9078\u3093\u3060\u5834\u5408\u3001IPv6\u304c\u4f7f\u3048\u308b\u304b\u3069\u3046\u304b\u306f\u30b3\u30df\u30e5\u30d5\u30a1\u5149\u306b\u805e\u3044\u3066\u3082\u5373\u7b54\u304c\u51fa\u305a\u3001\u9078\u3093\u3060\u30d7\u30ed\u30d0\u30a4\u30c0\u5074\u306e\u8a71\u306b\u306a\u308a\u307e\u3059\u3002<br \/>\u4f7f\u3044\u6163\u308c\u305f\u30d7\u30ed\u30d0\u30a4\u30c0\u3092\u7d9a\u3051\u305f\u3044\u3001\u3068\u3044\u3046\u7406\u7531\u3067\u9078\u629e\u578b\u306b\u3059\u308b\u306a\u3089\u3001\u305d\u306e\u30d7\u30ed\u30d0\u30a4\u30c0\u304c\u30b3\u30df\u30e5\u30d5\u30a1\u5149\u306eIPv6\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u304b\u3092\u7533\u3057\u8fbc\u307f\u524d\u306b\u78ba\u304b\u3081\u3066\u304a\u304f\u3068\u5b89\u5168\u3067\u3059\u3002<br \/>IPv6\u305d\u306e\u3082\u306e\u306e\u610f\u5473\u306f <a href=\"https:\/\/classlab.co.jp\/internet-center\/kiso\/ipv6\/\">IPv6\u3068\u306f\uff1fIPv4\u3068\u306e\u9055\u3044<\/a> \u3067\u6574\u7406\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<div class=\"soudan-block\">\n<img decoding=\"async\" class=\"soudan-avatar\" src=\"https:\/\/classlab.co.jp\/internet-center\/wp-content\/uploads\/2026\/08\/soudanin-owl3d-point-face.png\" alt=\"\u76f8\u8ac7\u54e1\" width=\"72\" height=\"72\"><\/p>\n<div class=\"soudan-body\">\n<p class=\"soudan-who\">\u76f8\u8ac7\u54e1<\/p>\n<p class=\"soudan-say\">\u300c\u4e00\u4f53\u578b\u304b\u9078\u629e\u578b\u304b\u300d\u306f\u3001\u7533\u3057\u8fbc\u307f\u30d5\u30a9\u30fc\u30e0\u3067\u306f\u3042\u3063\u3055\u308a\u9078\u3070\u3055\u308c\u308b\u9805\u76ee\u3067\u3059\u3002\u3067\u3082\u5b9f\u969b\u306b\u306f<strong>\u8acb\u6c42\u5148\u304c1\u3064\u304b2\u3064\u304b<\/strong>\u3068\u3001<strong>IPv6\u306e\u53ef\u5426\u3092\u3069\u3061\u3089\u306b\u805e\u304f\u304b<\/strong>\u304c\u540c\u6642\u306b\u6c7a\u307e\u308a\u307e\u3059\u3002\u3053\u3060\u308f\u308a\u304c\u306a\u3051\u308c\u3070\u4e00\u4f53\u578b\u306e\u307b\u3046\u304c\u3001\u3042\u3068\u3067\u8ff7\u3046\u5834\u9762\u306f\u5c11\u306a\u3044\u3067\u3059\u3002<\/p>\n<\/div>\n<\/div>\n<div class=\"cv-shindan\">\n<img decoding=\"async\" class=\"cv-char\" src=\"https:\/\/classlab.co.jp\/internet-center\/wp-content\/uploads\/2026\/08\/soudanin-owl3d-light-face.png\" alt=\"\u76f8\u8ac7\u54e1\" width=\"112\" height=\"112\"><\/p>\n<div class=\"cv-main\">\n<span class=\"cv-tag\">\u6240\u8981\u7d0430\u79d2\u30fb\u76f8\u8ac7\u7121\u6599<\/span><\/p>\n<p class=\"cv-lead\">\u30a8\u30ea\u30a2\u306b\u5165\u3063\u3066\u3044\u308b\u304b\u3001\u307e\u305a\u78ba\u304b\u3081\u3066\u307f\u307e\u3057\u3087\u3046<\/p>\n<p class=\"cv-sub\">\u304a\u4f4f\u307e\u3044\u306e\u4f4f\u6240\u3068\u4f7f\u3044\u65b9\u3092\u3046\u304b\u304c\u3063\u3066\u3001\u30b3\u30df\u30e5\u30d5\u30a1\u5149\u3092\u542b\u3081\u305f\u5019\u88dc\u3092\u3054\u6848\u5185\u3057\u307e\u3059\u3002<\/p>\n<div class=\"cv-actions\">\n<a class=\"cv-btn-main\" href=\"https:\/\/classlab.co.jp\/internet-center\/soudan\/?referer-url=commufa-toha%2Fcv-banner\">\u7121\u6599\u3067\u76f8\u8ac7\u3059\u308b<\/a><br \/>\n<span style=\"display:inline-flex;gap:10px;flex-wrap:wrap;justify-content:center;\"><a class=\"cv-btn-sub\" style=\"padding:11px 20px;font-size:15px;font-weight:700;border:2px solid currentColor;border-radius:999px;background:#fff;text-decoration:none;white-space:nowrap;\" href=\"https:\/\/classlab.co.jp\/internet-center\/shindan\/\">30\u79d2\u3067\u8a3a\u65ad\u3059\u308b<\/a><a class=\"cv-btn-sub\" style=\"padding:11px 20px;font-size:15px;font-weight:700;border:2px solid currentColor;border-radius:999px;background:#fff;text-decoration:none;white-space:nowrap;\" href=\"https:\/\/classlab.co.jp\/internet-center\/speed-test\/\">\u56de\u7dda\u901f\u5ea6\u3092\u306f\u304b\u308b<\/a><\/span>\n<\/div>\n<\/div>\n<\/div>\n<h2 class=\"wp-block-heading\">\u4f7f\u3048\u308b\u306e\u306f\u4e2d\u90e85\u770c\u3060\u3051<\/h2>\n<p class=\"wp-block-paragraph\">\u30b3\u30df\u30e5\u30d5\u30a1\u5149\u306e\u63d0\u4f9b\u30a8\u30ea\u30a2\u306f\u3001\u611b\u77e5\u770c\u30fb\u5c90\u961c\u770c\u30fb\u4e09\u91cd\u770c\u30fb\u9759\u5ca1\u770c\u30fb\u9577\u91ce\u770c\u3067\u3059\u3002<br \/>\u540c\u3058\u770c\u5185\u3067\u3082\u4f4f\u6240\u306b\u3088\u3063\u3066\u63d0\u4f9b\u306e\u53ef\u5426\u304c\u5206\u304b\u308c\u308b\u305f\u3081\u3001\u770c\u540d\u3060\u3051\u3067\u306f\u5224\u65ad\u3067\u304d\u307e\u305b\u3093\u3002<br \/>\u4f4f\u6240\u5358\u4f4d\u306e\u78ba\u8a8d\u65b9\u6cd5\u3068\u3001\u30a8\u30ea\u30a2\u5916\u3060\u3063\u305f\u3068\u304d\u306b\u3069\u306e\u56de\u7dda\u304c\u5019\u88dc\u306b\u306a\u308b\u304b\u306f <a href=\"https:\/\/classlab.co.jp\/internet-center\/chiiki\/commufa-area\/\">\u30b3\u30df\u30e5\u30d5\u30a1\u5149\u306e\u30a8\u30ea\u30a2\u78ba\u8a8d\u65b9\u6cd5\u3068\u3001\u30a8\u30ea\u30a2\u5916\u3060\u3063\u305f\u3068\u304d\u306e\u9078\u629e\u80a2<\/a> \u306b\u307e\u3068\u3081\u3066\u3044\u307e\u3059\u3002<\/p>\n<p class=\"wp-block-paragraph\">\u6771\u6d77\u3067\u9078\u3079\u308b\u56de\u7dda\u5168\u4f53\u3092\u898b\u6bd4\u3079\u305f\u3044\u5834\u5408\u306f <a href=\"https:\/\/classlab.co.jp\/internet-center\/chiiki\/tokai\/\">\u6771\u6d77\uff08\u611b\u77e5\u30fb\u5c90\u961c\u30fb\u4e09\u91cd\u30fb\u9759\u5ca1\u30fb\u9577\u91ce\uff09\u306e\u5149\u56de\u7dda\u306e\u9078\u3073\u65b9<\/a> \u304c\u53c2\u8003\u306b\u306a\u308a\u307e\u3059\u3002<br \/>\u6599\u91d1\u3084\u901f\u5ea6\u306a\u3069\u3001\u30b3\u30df\u30e5\u30d5\u30a1\u5149\u305d\u306e\u3082\u306e\u306e\u30b9\u30da\u30c3\u30af\u306f <a href=\"https:\/\/classlab.co.jp\/internet-center\/kaisen\/commufa-hikari\/\">\u30b3\u30df\u30e5\u30d5\u30a1\u5149\u306e\u56de\u7dda\u8a73\u7d30\u30da\u30fc\u30b8<\/a> \u306b\u4e00\u89a7\u3067\u307e\u3068\u3081\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2 class=\"wp-block-heading\">au\u306e\u30bb\u30c3\u30c8\u5272\u304c\u4f7f\u3048\u308b\u306e\u306f\u8cc7\u672c\u95a2\u4fc2\u304b\u3089<\/h2>\n<p class=\"wp-block-paragraph\">\u30b3\u30df\u30e5\u30d5\u30a1\u5149\u306fKDDI\u30b0\u30eb\u30fc\u30d7\u306e\u305f\u3081\u3001au\u306e\u30b9\u30de\u30fc\u30c8\u30d0\u30ea\u30e5\u30fc\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002<br \/>UQ\u30e2\u30d0\u30a4\u30eb\u306e\u81ea\u5b85\u30bb\u30c3\u30c8\u5272\u3067\u3082\u3001\u5bfe\u8c61\u3068\u306a\u308b\u81ea\u5b85\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e00\u89a7\u306b\u30b3\u30df\u30e5\u30d5\u30a1\u5149\u304c\u6319\u3052\u3089\u308c\u3066\u3044\u307e\u3059\uff08<a href=\"https:\/\/www.uqwimax.jp\/mobile\/plan\/discount\/setwari\/alliance\/\" target=\"_blank\" rel=\"noopener\">\u51fa\u5178\uff1aUQ mobile\u300c\u81ea\u5b85\u30bb\u30c3\u30c8\u5272\uff08\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30b3\u30fc\u30b9\uff09\u30bb\u30c3\u30c8\u5bfe\u8c61\u3068\u306a\u308b\u3054\u81ea\u5b85\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e00\u89a7\u300d<\/a>\uff09\u3002<\/p>\n<p class=\"wp-block-paragraph\">\u305f\u3060\u3057\u81ea\u5b85\u30bb\u30c3\u30c8\u5272\u306f\u300c\u30cd\u30c3\u30c8\uff0b\u96fb\u8a71\u300d\u3067\u306e\u52a0\u5165\u304c\u6761\u4ef6\u3067\u3001\u7533\u3057\u8fbc\u307f\u3082\u5fc5\u8981\u3067\u3059\u3002<br \/>\u5149\u56de\u7dda\u3092\u5bfe\u8c61\u306e\u3082\u306e\u306b\u5909\u3048\u305f\u3060\u3051\u3067\u306f\u5272\u5f15\u304c\u59cb\u307e\u3089\u306a\u3044\u305f\u3081\u3001\u6761\u4ef6\u306f <a href=\"https:\/\/classlab.co.jp\/internet-center\/carrier\/uq-mobile\/\">UQ\u30e2\u30d0\u30a4\u30eb\u306e\u81ea\u5b85\u30bb\u30c3\u30c8\u5272\u304c\u9069\u7528\u3055\u308c\u306a\u3044\u7406\u7531<\/a> \u3067\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2 class=\"wp-block-heading\">\u7533\u3057\u8fbc\u307f\u304b\u3089\u958b\u901a\u307e\u3067\u306f\u6238\u5efa\u3066\u30671\u301c2\u304b\u6708\u307f\u3066\u304a\u304f<\/h2>\n<p class=\"wp-block-paragraph\">\u30b3\u30df\u30e5\u30d5\u30a1\u5149\u306f\u3001\u7533\u3057\u8fbc\u307f\u306e\u3042\u3068\u306b\u958b\u901a\u30bb\u30f3\u30bf\u30fc\u304b\u3089\u96fb\u8a71\u307e\u305f\u306fSMS\u3067\u65e5\u7a0b\u8abf\u6574\u306e\u9023\u7d61\u304c\u5165\u308a\u3001\u5de5\u4e8b\u65e5\u304c\u6c7a\u307e\u308a\u307e\u3059\u3002<br \/>\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u5f15\u304d\u8fbc\u307f\u5de5\u4e8b\u304c\u3042\u308b\u305f\u3081\u3001<strong>\u7acb\u3061\u4f1a\u3044\u304c\u5fc5\u8981<\/strong>\u3067\u3059\uff08<a href=\"https:\/\/www.commufa.jp\/services\/common\/flow\/\" target=\"_blank\" rel=\"noopener\">\u51fa\u5178\uff1a\u30b3\u30df\u30e5\u30d5\u30a1\u5149\u300c\u3054\u5229\u7528\u958b\u59cb\u307e\u3067\u306e\u6d41\u308c\uff08\u6238\u5efa\u4f4f\u5b85\uff09\u300d<\/a>\uff09\u3002<\/p>\n<p class=\"wp-block-paragraph\">\u958b\u901a\u307e\u3067\u306e\u76ee\u5b89\u306f\u3001\u6238\u5efa\u3066\u30671\u301c2\u304b\u6708\u7a0b\u5ea6\u3001\u96c6\u5408\u4f4f\u5b85\u30671\u304b\u6708\u7a0b\u5ea6\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002<br \/>\u5f15\u3063\u8d8a\u3057\u306e\u591a\u3044\u6642\u671f\u306f\u3055\u3089\u306b\u5ef6\u3073\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\u5165\u5c45\u65e5\u306b\u5408\u308f\u305b\u305f\u3044\u5834\u5408\u306f\u3001\u3053\u306e\u65e5\u6570\u304b\u3089\u9006\u7b97\u3057\u3066\u7533\u3057\u8fbc\u3080\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2 class=\"wp-block-heading\">\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n<dl class=\"swell-block-faq -icon-circle\" data-q=\"fill-custom\" data-a=\"fill-custom\">\n<div class=\"swell-block-faq__item\">\n<dt class=\"faq_q\">\u30b3\u30df\u30e5\u30d5\u30a1\u5149\u306f\u3069\u3053\u306e\u4f1a\u793e\u304c\u904b\u55b6\u3057\u3066\u3044\u307e\u3059\u304b\uff1f<\/dt>\n<dd class=\"faq_a\">\u4e2d\u90e8\u30c6\u30ec\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u682a\u5f0f\u4f1a\u793e\uff08ctc\uff09\u3067\u3059\u3002\u540d\u53e4\u5c4b\u5e02\u306b\u672c\u793e\u304c\u3042\u308a\u3001\u682a\u4e3b\u306fKDDI\u682a\u5f0f\u4f1a\u793e\u3068\u4e2d\u90e8\u96fb\u529b\u682a\u5f0f\u4f1a\u793e\u3067\u3059\u30022008\u5e74\u304b\u3089KDDI\u30b0\u30eb\u30fc\u30d7\u306b\u5165\u3063\u3066\u3044\u307e\u3059\u3002<\/dd>\n<\/div>\n<div class=\"swell-block-faq__item\">\n<dt class=\"faq_q\">\u30b3\u30df\u30e5\u30d5\u30a1\u5149\u306b\u30d7\u30ed\u30d0\u30a4\u30c0\u306f\u5225\u3067\u5fc5\u8981\u3067\u3059\u304b\uff1f<\/dt>\n<dd class=\"faq_a\">\u5951\u7d04\u306e\u5f62\u306b\u3088\u308a\u307e\u3059\u3002\u30d7\u30ed\u30d0\u30a4\u30c0\u4e00\u4f53\u578b\u306a\u3089\u30b3\u30df\u30e5\u30d5\u30a1\u5149\u304c\u30d7\u30ed\u30d0\u30a4\u30c0\u3082\u517c\u306d\u308b\u305f\u3081\u5225\u5951\u7d04\u306f\u4e0d\u8981\u3067\u3059\u3002\u30d7\u30ed\u30d0\u30a4\u30c0\u9078\u629e\u578b\uff08\u30bb\u30ec\u30af\u30c8\u30bf\u30a4\u30d7\uff09\u3092\u9078\u3076\u3068\u63d0\u643a\u30d7\u30ed\u30d0\u30a4\u30c0\u3068\u306e\u5951\u7d04\u306b\u306a\u308a\u3001\u30d7\u30ed\u30d0\u30a4\u30c0\u5229\u7528\u6599\u306f\u5225\u4f1a\u793e\u304b\u3089\u8acb\u6c42\u3055\u308c\u307e\u3059\u3002<\/dd>\n<\/div>\n<div class=\"swell-block-faq__item\">\n<dt class=\"faq_q\">\u5149\u30b3\u30e9\u30dc\u304b\u3089\u30b3\u30df\u30e5\u30d5\u30a1\u5149\u3078\u3001\u5de5\u4e8b\u306a\u3057\u3067\u4e57\u308a\u63db\u3048\u3089\u308c\u307e\u3059\u304b\uff1f<\/dt>\n<dd class=\"faq_a\">\u3067\u304d\u307e\u305b\u3093\u3002\u30b3\u30df\u30e5\u30d5\u30a1\u5149\u306f\u30d5\u30ec\u30c3\u30c4\u7db2\u3092\u4f7f\u308f\u306a\u3044\u72ec\u81ea\u306e\u56de\u7dda\u306e\u305f\u3081\u3001\u4e8b\u696d\u8005\u5909\u66f4\u3084\u8ee2\u7528\u306e\u624b\u7d9a\u304d\u304c\u4f7f\u3048\u305a\u3001\u65b0\u898f\u306e\u7533\u3057\u8fbc\u307f\u3068\u958b\u901a\u5de5\u4e8b\u304c\u5fc5\u8981\u3067\u3059\u3002<\/dd>\n<\/div>\n<div class=\"swell-block-faq__item\">\n<dt class=\"faq_q\">\u30b3\u30df\u30e5\u30d5\u30a1\u5149\u3067IPv6\u306f\u4f7f\u3048\u307e\u3059\u304b\uff1f<\/dt>\n<dd class=\"faq_a\">2012\u5e746\u67081\u65e5\u4ee5\u964d\u306e\u5951\u7d04\u3067\u306f\u3001\u30d7\u30ed\u30d0\u30a4\u30c0\u4e00\u4f53\u578b\u306f\u6a19\u6e96\u5bfe\u5fdc\u3001\u30d7\u30ed\u30d0\u30a4\u30c0\u9078\u629e\u578b\u306f\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u30d7\u30ed\u30d0\u30a4\u30c0\u306b\u9650\u308a\u5bfe\u5fdc\u3068\u6848\u5185\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3044\u305a\u308c\u3082\u30b3\u30df\u30e5\u30d5\u30a1\u5149\u63d0\u4f9b\u306e\u30db\u30fc\u30e0\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u304c\u5fc5\u8981\u3067\u3059\u3002<\/dd>\n<\/div>\n<div class=\"swell-block-faq__item\">\n<dt class=\"faq_q\">\u4e2d\u90e85\u770c\u306e\u5916\u3078\u5f15\u3063\u8d8a\u3057\u3066\u3082\u7d9a\u3051\u3066\u4f7f\u3048\u307e\u3059\u304b\uff1f<\/dt>\n<dd class=\"faq_a\">\u4f7f\u3048\u307e\u305b\u3093\u3002\u63d0\u4f9b\u30a8\u30ea\u30a2\u306f\u611b\u77e5\u30fb\u5c90\u961c\u30fb\u4e09\u91cd\u30fb\u9759\u5ca1\u30fb\u9577\u91ce\u306e5\u770c\u3067\u3001\u30a8\u30ea\u30a2\u5916\u3078\u306e\u5f15\u3063\u8d8a\u3057\u3067\u306f\u89e3\u7d04\u3057\u3066\u5225\u306e\u56de\u7dda\u3092\u7533\u3057\u8fbc\u3080\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/dd>\n<\/div>\n<\/dl>\n<h2 class=\"wp-block-heading\">\u307e\u3068\u3081<\/h2>\n<p class=\"wp-block-paragraph\">\u30b3\u30df\u30e5\u30d5\u30a1\u5149\u306f\u3001\u4e2d\u90e8\u30c6\u30ec\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u682a\u5f0f\u4f1a\u793e\u304c\u4e2d\u90e85\u770c\u3067\u63d0\u4f9b\u3057\u3066\u3044\u308b\u72ec\u81ea\u56de\u7dda\u3067\u3059\u3002<br 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