{"id":11965,"date":"2024-09-08T18:53:31","date_gmt":"2024-09-08T10:53:31","guid":{"rendered":"https:\/\/lightningxvpn.com\/blog\/?p=11965"},"modified":"2024-12-16T13:46:54","modified_gmt":"2024-12-16T05:46:54","slug":"how-to-find-subnet-mask-from-ip-address-ja","status":"publish","type":"post","link":"https:\/\/lightningxvpn.com\/blog\/ja\/how-to-find-subnet-mask-from-ip-address-ja\/","title":{"rendered":"IP\u30a2\u30c9\u30ec\u30b9\u304b\u3089\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u3092\u898b\u3064\u3051\u308b\u65b9\u6cd5 [\u5b8c\u5168\u30ac\u30a4\u30c9]"},"content":{"rendered":"\n<p>IP\u30a2\u30c9\u30ec\u30b9\u3068\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u3064\u3044\u3066\u5b66\u3076\u4eba\u306b\u3068\u3063\u3066\u4e0d\u53ef\u6b20\u3067\u3059\u3002 \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u63a5\u7d9a\u3059\u308b\u3068\u3001\u30c7\u30d0\u30a4\u30b9\u306bIP\u30a2\u30c9\u30ec\u30b9\u3068\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u304c\u5272\u308a\u5f53\u3066\u3089\u308c\u307e\u3059\u3002 \u3057\u304b\u3057\u3001\u3053\u308c\u3089\u306f\u6b63\u78ba\u306b\u306f\u4f55\u3067\u3042\u308a\u3001IP\u30a2\u30c9\u30ec\u30b9\u304b\u3089\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u3092\u898b\u3064\u3051\u308b\u306b\u306f\u3069\u3046\u3059\u308c\u3070\u3088\u3044\u3067\u3059\u304b\uff1f<\/p>\n\n\n\n<p>\u3053\u306e\u30d6\u30ed\u30b0\u3067\u306f\u3001IP\u30a2\u30c9\u30ec\u30b9\u3068\u306f\u4f55\u304b\u3001\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u306f\u4f55\u3092\u3059\u308b\u306e\u304b\u3001<strong>IP\u30a2\u30c9\u30ec\u30b9\u304b\u3089\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u3092\u898b\u3064\u3051\u308b\u65b9\u6cd5<\/strong>\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">IP\u30a2\u30c9\u30ec\u30b9\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h2>\n\n\n\n<p>IP\u30a2\u30c9\u30ec\u30b9\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306e\u30c7\u30d0\u30a4\u30b9\u306e\u30db\u30fc\u30e0\u30a2\u30c9\u30ec\u30b9\u306e\u3088\u3046\u306a\u3082\u306e\u3067\u3059\u3002 \u3059\u3079\u3066\u306e\u5bb6\u306b\u30e1\u30fc\u30eb\u3092\u53d7\u4fe1\u3059\u308b\u305f\u3081\u306e\u56fa\u6709\u306e\u30a2\u30c9\u30ec\u30b9\u304c\u3042\u308b\u306e\u3068\u540c\u3058\u3088\u3046\u306b\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306e\u3059\u3079\u3066\u306e\u30c7\u30d0\u30a4\u30b9\u306b\u306fIP\u30a2\u30c9\u30ec\u30b9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>IP \u30a2\u30c9\u30ec\u30b9\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306e\u30c7\u30d0\u30a4\u30b9\u3092\u8b58\u5225\u3057\u3066\u898b\u3064\u3051\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002IP \u30a2\u30c9\u30ec\u30b9\u306f\u3001192.168.1.1 \u306e\u3088\u3046\u306b\u3001\u30d4\u30ea\u30aa\u30c9\u3067\u533a\u5207\u3089\u308c\u305f 4 \u3064\u306e\u6570\u5b57\u306e\u30bb\u30c3\u30c8\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>IP <\/strong><strong>\u30a2\u30c9\u30ec\u30b9\u306e\u7a2e\u985e<\/strong><strong>:<\/strong><\/p>\n\n\n\n<p><strong>1. IPv4 (<\/strong><strong>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8<\/strong><strong> <\/strong><strong>\u30d7\u30ed\u30c8\u30b3\u30eb<\/strong><strong> <\/strong><strong>\u30d0\u30fc\u30b8\u30e7\u30f3<\/strong><strong> 4):<\/strong><\/p>\n\n\n\n<p>IPv4 \u30a2\u30c9\u30ec\u30b9\u306f 32 \u30d3\u30c3\u30c8\u306e\u6570\u5b57\u3067\u3001\u901a\u5e38\u306f\u30c9\u30c3\u30c8\u3067\u533a\u5207\u3089\u308c\u305f 4 \u3064\u306e\u6570\u5b57\u3067\u8a18\u8ff0\u3055\u308c\u307e\u3059 (\u4f8b: 192.168.1.1)\u3002\u5404\u6570\u5b57\u306e\u7bc4\u56f2\u306f 0 \u304b\u3089 255 \u3067\u3059\u3002<\/p>\n\n\n\n<p><strong>2. IPv6 (<\/strong><strong>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8<\/strong><strong> <\/strong><strong>\u30d7\u30ed\u30c8\u30b3\u30eb<\/strong><strong> <\/strong><strong>\u30d0\u30fc\u30b8\u30e7\u30f3<\/strong><strong> 6):<\/strong><\/p>\n\n\n\n<p>IPv6 \u30a2\u30c9\u30ec\u30b9\u306f 128 \u30d3\u30c3\u30c8\u306e\u6570\u5b57\u3067\u300116 \u9032\u6570\u3067\u8a18\u8ff0\u3055\u308c\u3001\u30b3\u30ed\u30f3\u3067\u533a\u5207\u3089\u308c\u307e\u3059\u3002IPv6 \u306f\u3001IPv4 \u30a2\u30c9\u30ec\u30b9\u306e\u4e0d\u8db3\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306b\u4f5c\u6210\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30b5\u30d6\u30cd\u30c3\u30c8 \u30de\u30b9\u30af\u3068\u306f?<\/h2>\n\n\n\n<p>\u30b5\u30d6\u30cd\u30c3\u30c8 \u30de\u30b9\u30af\u306f\u3001IP \u30a2\u30c9\u30ec\u30b9\u3068\u3068\u3082\u306b\u6a5f\u80fd\u3059\u308b\u5225\u306e\u6570\u5b57\u3067\u3059\u3002IP \u30a2\u30c9\u30ec\u30b9\u306f\u30c7\u30d0\u30a4\u30b9\u3092\u8b58\u5225\u3057\u307e\u3059\u304c\u3001\u30b5\u30d6\u30cd\u30c3\u30c8 \u30de\u30b9\u30af\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u30b5\u30d6\u30cd\u30c3\u30c8\u3068\u547c\u3070\u308c\u308b\u5c0f\u3055\u306a\u90e8\u5206\u306b\u5206\u5272\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30b5\u30d6\u30cd\u30c3\u30c8 \u30de\u30b9\u30af\u306f\u3001\u30c7\u30fc\u30bf \u30d1\u30b1\u30c3\u30c8\u3092\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u306e\u6b63\u3057\u3044\u5b9b\u5148\u306b\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002 IP \u30a2\u30c9\u30ec\u30b9\u306e\u3069\u306e\u90e8\u5206\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u8868\u3057\u3001\u3069\u306e\u90e8\u5206\u304c\u30c7\u30d0\u30a4\u30b9\u3092\u8868\u3059\u304b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30b5\u30d6\u30cd\u30c3\u30c8 \u30de\u30b9\u30af\u3092\u77e5\u308b\u5fc5\u8981\u304c\u3042\u308b\u306e\u306f\u306a\u305c\u3067\u3059\u304b?<\/h2>\n\n\n\n<p>\u30b5\u30d6\u30cd\u30c3\u30c8 \u30de\u30b9\u30af\u3092\u77e5\u308b\u3053\u3068\u306f\u3001\u30c7\u30d0\u30a4\u30b9\u306e\u52d5\u4f5c\u306b\u5f71\u97ff\u3059\u308b\u305f\u3081\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<ul>\n<li><strong>\u52b9\u7387\u7684\u306a<\/strong><strong> IP <\/strong><strong>\u30a2\u30c9\u30ec\u30b9\u7ba1\u7406<\/strong><strong>:<\/strong> \u30b5\u30d6\u30cd\u30c3\u30c8\u3092\u5c0f\u3055\u304f\u5206\u5272\u3059\u308b\u3053\u3068\u3067\u3001IP \u30a2\u30c9\u30ec\u30b9\u306e\u5272\u308a\u5f53\u3066\u3092\u6700\u9069\u5316\u3057\u3001\u5404\u30b5\u30d6\u30cd\u30c3\u30c8\u306b\u9069\u5207\u306a\u6570\u306e IP \u3092\u5272\u308a\u5f53\u3066\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5411\u4e0a<\/strong><strong>: <\/strong>\u30b5\u30d6\u30cd\u30c3\u30c8\u5316\u306b\u3088\u308a\u3001\u60aa\u610f\u306e\u3042\u308b\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306e\u6f5c\u5728\u7684\u306a\u62e1\u6563\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30bb\u30b0\u30e1\u30f3\u30c8\u3092\u5207\u65ad\u3059\u308b\u3053\u3068\u3067\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u6df7\u96d1\u306e\u8efd\u6e1b<\/strong><strong>: <\/strong>\u30b5\u30d6\u30cd\u30c3\u30c8\u3092\u5c0f\u3055\u304f\u3059\u308b\u3068\u3001\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8 \u30c9\u30e1\u30a4\u30f3\u306e\u30b5\u30a4\u30ba\u304c\u5c0f\u3055\u304f\u306a\u308a\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u6e1b\u308a\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">IP\u30a2\u30c9\u30ec\u30b9\u304b\u3089\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u3092\u898b\u3064\u3051\u308b\u65b9\u6cd5<\/h2>\n\n\n\n<p>\u30b5\u30d6\u30cd\u30c3\u30c8 \u30de\u30b9\u30af\u3092\u898b\u3064\u3051\u308b\u306b\u306f\u3001IP \u30a2\u30c9\u30ec\u30b9\u3068\u305d\u308c\u304c\u5c5e\u3059\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u7a2e\u985e\u3092\u77e5\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306f\u3001\u30af\u30e9\u30b9 A\u3001B\u3001C\u3001D\u3001E \u306b\u5206\u985e\u3055\u308c\u307e\u3059\u3002\u307b\u3068\u3093\u3069\u306e\u30db\u30fc\u30e0 \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306f\u30af\u30e9\u30b9 C \u304c\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30b5\u30d6\u30cd\u30c3\u30c8 \u30de\u30b9\u30af\u3092\u898b\u3064\u3051\u308b\u624b\u9806\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b9\u30c6\u30c3\u30d7 1: IP \u30a2\u30c9\u30ec\u30b9\u306e\u30af\u30e9\u30b9\u3092\u8b58\u5225\u3059\u308b<\/h3>\n\n\n\n<p>IP \u30a2\u30c9\u30ec\u30b9\u306f\u3001A\u3001B\u3001C\u3001D\u3001E \u306e 5 \u3064\u306e\u30af\u30e9\u30b9\u306b\u5206\u304b\u308c\u3066\u3044\u307e\u3059\u3002\u30af\u30e9\u30b9\u306b\u3088\u3063\u3066\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30b5\u30d6\u30cd\u30c3\u30c8 \u30de\u30b9\u30af\u304c\u6c7a\u307e\u308a\u307e\u3059\u3002 IP \u30a2\u30c9\u30ec\u30b9\u306e\u6700\u521d\u306e\u6570\u5b57\u306f\u3001\u30af\u30e9\u30b9\u3092\u8b58\u5225\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059:<\/p>\n\n\n\n<ul>\n<li>\u30af\u30e9\u30b9 A: IP \u30a2\u30c9\u30ec\u30b9 <strong>1<\/strong>.0.0.0 \u304b\u3089 <strong>126<\/strong>.0.0.0<\/li>\n\n\n\n<li>\u30af\u30e9\u30b9 B: IP \u30a2\u30c9\u30ec\u30b9 <strong>128<\/strong>.0.0.0 \u304b\u3089 <strong>191<\/strong>.255.0.0<\/li>\n\n\n\n<li>\u30af\u30e9\u30b9 C: IP \u30a2\u30c9\u30ec\u30b9 <strong>192<\/strong>.0.0.0 \u304b\u3089 <strong>223<\/strong>.255.255.0<\/li>\n\n\n\n<li>\u30af\u30e9\u30b9 D \u304a\u3088\u3073 E: \u7279\u5225\u306a\u76ee\u7684\u306e\u305f\u3081\u306b\u8a2d\u8a08\u3055\u308c\u3066\u304a\u308a\u3001\u5bb6\u5ead\u3084\u30d3\u30b8\u30cd\u30b9 \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306f\u3042\u307e\u308a\u4f7f\u7528\u3055\u308c\u307e\u305b\u3093\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u305f\u3068\u3048\u3070\u3001IP \u30a2\u30c9\u30ec\u30b9\u304c 192.168.1.1 \u306e\u5834\u5408\u3001\u30af\u30e9\u30b9 C \u306e\u7bc4\u56f2\u5185\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b9\u30c6\u30c3\u30d7 2: \u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30b5\u30d6\u30cd\u30c3\u30c8 \u30de\u30b9\u30af\u3092\u6c7a\u5b9a\u3059\u308b<\/h3>\n\n\n\n<p>IP \u30a2\u30c9\u30ec\u30b9\u306e\u5404\u30af\u30e9\u30b9\u306b\u306f\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30b5\u30d6\u30cd\u30c3\u30c8 \u30de\u30b9\u30af\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u7570\u306a\u308b\u30af\u30e9\u30b9\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30b5\u30d6\u30cd\u30c3\u30c8 \u30de\u30b9\u30af:<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes has-small-font-size\"><table class=\"has-base-2-background-color has-background has-fixed-layout\" style=\"border-width:3px\"><tbody><tr><td>\u30af\u30e9\u30b9<strong><\/strong><\/td><td>\u7bc4\u56f2<strong><\/strong><\/td><td>\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30b5\u30d6\u30cd\u30c3\u30c8<strong><\/strong><\/td><td>\u8aac\u660e<strong><\/strong><\/td><\/tr><tr><td>A<\/td><td>1.0.0.0 &#8211; 126.0.0.0<\/td><td>255.0.0.0<\/td><td>\u5927\u898f\u6a21\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3001\u6570\u767e\u4e07\u306e\u30db\u30b9\u30c8<\/td><\/tr><tr><td>B<\/td><td>128.0.0.0 &#8211; 191.255.0.0<\/td><td>255.255.0.0<\/td><td>\u4e2d\u898f\u6a21\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3001\u6570\u5343\u306e\u30db\u30b9\u30c8<\/td><\/tr><tr><td>C<\/td><td>192.0.0.0 &#8211; 223.255.255.0<\/td><td>255.255.255.0<\/td><td>\u5c0f\u898f\u6a21\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3001\u6570\u767e\u306e\u30db\u30b9\u30c8<\/td><\/tr><tr><td>D<\/td><td>224.0.0.0 &#8211; 239.255.255.255<\/td><td>\u8a72\u5f53\u306a\u3057<\/td><td>\u30de\u30eb\u30c1\u30ad\u30e3\u30b9\u30c8 \u30b0\u30eb\u30fc\u30d7\u7528\u306b\u4e88\u7d04\u6e08\u307f<\/td><\/tr><tr><td>E<\/td><td>240.0.0.0 &#8211; 255.255.255.255<\/td><td>\u8a72\u5f53\u306a\u3057<\/td><td>\u5b9f\u9a13\u7528\u306b\u4e88\u7d04\u6e08\u307f<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>\u30af\u30e9\u30b9<\/strong><strong> D <\/strong><strong>\u304a\u3088\u3073\u30af\u30e9\u30b9<\/strong><strong> E <\/strong><strong>\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30b5\u30d6\u30cd\u30c3\u30c8<\/strong><strong> <\/strong><strong>\u30de\u30b9\u30af\u304c\u9069\u7528\u3067\u304d\u306a\u3044\u306e\u306f\u306a\u305c\u3067\u3059\u304b<\/strong><strong>?<\/strong><\/p>\n\n\n\n<p>\u30af\u30e9\u30b9 D (\u30de\u30eb\u30c1\u30ad\u30e3\u30b9\u30c8) \u304a\u3088\u3073\u30af\u30e9\u30b9 E (\u8a66\u9a13\u7684) IP \u30a2\u30c9\u30ec\u30b9\u7bc4\u56f2\u306f\u3001\u4e00\u822c\u7684\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u500b\u3005\u306e\u30c7\u30d0\u30a4\u30b9\u307e\u305f\u306f\u30db\u30b9\u30c8\u3092\u5272\u308a\u5f53\u3066\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u306a\u3044\u305f\u3081\u3001\u30b5\u30d6\u30cd\u30c3\u30c8 \u30de\u30b9\u30af\u306f\u5fc5\u8981\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b9\u30c6\u30c3\u30d7 3: \u8a08\u7b97\u306b\u3088\u308b\u30b5\u30d6\u30cd\u30c3\u30c8 \u30de\u30b9\u30af\u306e\u691c\u51fa (\u5fc5\u8981\u306a\u5834\u5408)<\/h3>\n\n\n\n<p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u30ab\u30b9\u30bf\u30e0 \u30b5\u30d6\u30cd\u30c3\u30c8\u304c\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u30b5\u30d6\u30cd\u30c3\u30c8 \u30de\u30b9\u30af\u306e\u8a08\u7b97\u304c\u5fc5\u8981\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30b5\u30d6\u30cd\u30c3\u30c8\u5316\u3068\u547c\u3070\u308c\u308b\u30d7\u30ed\u30bb\u30b9\u3092\u4f7f\u7528\u3057\u3066\u884c\u308f\u308c\u307e\u3059\u3002\u30b5\u30d6\u30cd\u30c3\u30c8\u5316\u306f\u3001\u5927\u898f\u6a21\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u5c0f\u3055\u306a\u30b5\u30d6\u30cd\u30c3\u30c8\u306b\u5206\u5272\u3057\u3066\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5411\u4e0a\u3055\u305b\u3001\u8f3b\u8f33\u3092\u8efd\u6e1b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30ab\u30b9\u30bf\u30e0 \u30b5\u30d6\u30cd\u30c3\u30c8 \u30de\u30b9\u30af\u3092\u8a08\u7b97\u3059\u308b\u306b\u306f\u3001IP \u30a2\u30c9\u30ec\u30b9\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u90e8\u5206\u306b\u4f7f\u7528\u3055\u308c\u308b\u30d3\u30c3\u30c8\u6570\u3068\u30db\u30b9\u30c8\u90e8\u5206\u306b\u4f7f\u7528\u3055\u308c\u308b\u30d3\u30c3\u30c8\u6570\u3092\u77e5\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u8a08\u7b97\u3059\u308b\u7c21\u5358\u306a\u65b9\u6cd5\u306f\u3001\u30aa\u30f3\u30e9\u30a4\u30f3 \u30b5\u30d6\u30cd\u30c3\u30c8\u8a08\u7b97\u6a5f\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3059\u3002<a href=\"https:\/\/www.solarwinds.com\/ja\/free-tools\/advanced-subnet-calculator\" target=\"_blank\" rel=\"noopener nofollow\" title=\"\">SolarWinds Advanced Subnet Calculator<\/a> \u3084 <a href=\"https:\/\/www.tunnelsup.com\/subnet-calculator\/\" target=\"_blank\" rel=\"noopener nofollow\" title=\"\">Tunnels Up Subnet Calculator<\/a> \u306a\u3069\u3001\u3044\u304f\u3064\u304b\u306e\u7c21\u5358\u306a\u30aa\u30f3\u30e9\u30a4\u30f3 \u30b5\u30d6\u30cd\u30c3\u30c8\u8a08\u7b97\u6a5f\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b9\u30c6\u30c3\u30d7 4: \u30b5\u30d6\u30cd\u30c3\u30c8 \u30de\u30b9\u30af\u3092\u624b\u52d5\u3067\u691c\u51fa\u3059\u308b<\/h3>\n\n\n\n<p>\u30b5\u30d6\u30cd\u30c3\u30c8 \u30de\u30b9\u30af\u3092\u624b\u52d5\u3067\u691c\u51fa\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306f\u3001IP \u30a2\u30c9\u30ec\u30b9\u3068\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30b5\u30d6\u30cd\u30c3\u30c8 \u30de\u30b9\u30af\u3092 2 \u9032\u6570\u306b\u5909\u63db\u3067\u304d\u307e\u3059\u3002 IP \u30a2\u30c9\u30ec\u30b9\u3068\u30b5\u30d6\u30cd\u30c3\u30c8 \u30de\u30b9\u30af\u306e\u5404\u6570\u5b57\u30bb\u30c3\u30c8\u306f\u30018 \u30d3\u30c3\u30c8\u306e 2 \u9032\u6570\u306b\u5909\u63db\u3055\u308c\u307e\u3059\u3002\u4f8b:<\/p>\n\n\n\n<p>\u2022 IP \u30a2\u30c9\u30ec\u30b9 (192.168.1.1): 11000000.10101000.00000001.00000001<\/p>\n\n\n\n<p>\u2022 \u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30b5\u30d6\u30cd\u30c3\u30c8 \u30de\u30b9\u30af (255.255.255.0): 11111111.11111111.11111111.00000000<\/p>\n\n\n\n<p>2 \u9032\u6570\u5f62\u5f0f\u3092\u898b\u308b\u3068\u3001IP \u306e\u3069\u306e\u90e8\u5206\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7528\u3067\u3001\u3069\u306e\u90e8\u5206\u304c\u30db\u30b9\u30c8\u7528\u304b\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u624b\u9806 5: CIDR \u8868\u8a18\u6cd5\u3092\u4f7f\u7528\u3057\u3066\u30b5\u30d6\u30cd\u30c3\u30c8 \u30de\u30b9\u30af\u3092\u898b\u3064\u3051\u308b<\/h3>\n\n\n\n<p>CIDR (Classless Inter-Domain Routing) \u8868\u8a18\u6cd5\u306f\u3001\u30b5\u30d6\u30cd\u30c3\u30c8 \u30de\u30b9\u30af\u3092\u8868\u3059\u5225\u306e\u65b9\u6cd5\u3067\u3059\u3002\u30b9\u30e9\u30c3\u30b7\u30e5 (\/) \u306e\u5f8c\u306b\u6570\u5b57\u304c\u7d9a\u304d\u307e\u3059 (\/24 \u306a\u3069)\u3002\u3053\u306e\u6570\u5b57\u306f\u3001\u30b5\u30d6\u30cd\u30c3\u30c8 \u30de\u30b9\u30af\u3067 1 \u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u30d3\u30c3\u30c8\u306e\u6570\u3092\u8868\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\/24 \u306f 255.255.255.0 \u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4e00\u822c\u7684\u306a CIDR \u8868\u8a18\u3068\u305d\u306e\u7528\u9014:<\/p>\n\n\n\n<figure class=\"wp-block-table has-small-font-size\"><table><tbody><tr><td>CIDR \u8868\u8a18<\/td><td>\u30b5\u30d6\u30cd\u30c3\u30c8 \u30de\u30b9\u30af<strong><\/strong><\/td><td>\u30b5\u30d6\u30cd\u30c3\u30c8\u3042\u305f\u308a\u306e\u30db\u30b9\u30c8\u6570<strong><\/strong><\/td><td>\u4f8b \u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30a2\u30c9\u30ec\u30b9 <strong>&nbsp;<\/strong><\/td><\/tr><tr><td>\/8<\/td><td>255.0.0.0<\/td><td>16,777,214<\/td><td>10.0.0.0<\/td><\/tr><tr><td>\/16<\/td><td>255.255.0.0<\/td><td>65,534<\/td><td>172.16.0.0<\/td><\/tr><tr><td>\/24<\/td><td>255.255.255.0<\/td><td>254<\/td><td>192.168.1.0<\/td><\/tr><tr><td>\/30<\/td><td>255.255.255.252<\/td><td>2<\/td><td>192.168.1.0<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u30b5\u30d6\u30cd\u30c3\u30c8 \u30de\u30b9\u30af\u3092\u898b\u3064\u3051\u308b\u5fc5\u8981\u304c\u3042\u308b\u4e00\u822c\u7684\u306a\u72b6\u6cc1<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u30db\u30fc\u30e0 \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u8a2d\u5b9a<\/h3>\n\n\n\n<p>\u30eb\u30fc\u30bf\u30fc\u3084\u30b9\u30a4\u30c3\u30c1\u3092\u8a2d\u5b9a\u3059\u308b\u5834\u5408\u3001\u3059\u3079\u3066\u306e\u30c7\u30d0\u30a4\u30b9\u304c\u6b63\u3057\u304f\u901a\u4fe1\u3067\u304d\u308b\u3088\u3046\u306b\u3001\u30b5\u30d6\u30cd\u30c3\u30c8 \u30de\u30b9\u30af\u3092\u77e5\u3063\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u554f\u984c\u306e\u78ba\u8a8d<\/h3>\n\n\n\n<p>\u540c\u3058\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306e\u30c7\u30d0\u30a4\u30b9\u304c\u901a\u4fe1\u3067\u304d\u306a\u3044\u5834\u5408\u306f\u3001IP \u30a2\u30c9\u30ec\u30b9\u3068\u30b5\u30d6\u30cd\u30c3\u30c8 \u30de\u30b9\u30af\u306e\u8a2d\u5b9a\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3068 VPN \u306e\u69cb\u6210<\/h3>\n\n\n\n<p>VPN \u3084\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306a\u3069\u306e\u9ad8\u5ea6\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a2d\u5b9a\u3067\u306f\u3001\u30b5\u30d6\u30cd\u30c3\u30c8 \u30de\u30b9\u30af\u3092\u77e5\u3063\u3066\u304a\u304f\u3068\u3001\u5b89\u5168\u3067\u52b9\u7387\u7684\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u5f37\u5316\u3067\u304d\u307e\u3059\u3002<a href=\"https:\/\/lightningxvpn.com\/ja\/\" target=\"_blank\" rel=\"noopener\" title=\"\">LightningX VPN<\/a> \u306a\u3069\u306e VPN \u30b5\u30fc\u30d3\u30b9\u306f\u3001\u5b9f\u969b\u306e IP \u30a2\u30c9\u30ec\u30b9\u3092\u96a0\u3059\u305f\u3081\u306e\u4eee\u60f3 IP \u30a2\u30c9\u30ec\u30b9\u3092\u63d0\u4f9b\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"535\" height=\"622\" src=\"https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2024\/07\/lightningx-vpn-ja.png\" alt=\"LightningX VPN\" class=\"wp-image-2792\" srcset=\"https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2024\/07\/lightningx-vpn-ja.png 535w, https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2024\/07\/lightningx-vpn-ja-258x300.png 258w\" sizes=\"(max-width: 535px) 100vw, 535px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-1 wp-block-buttons-is-layout-flex\" style=\"margin-top:var(--wp--preset--spacing--10);margin-bottom:var(--wp--preset--spacing--10)\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-75 has-custom-font-size is-style-outline\" style=\"font-size:clamp(0.875rem, 0.875rem + ((1vw - 0.2rem) * 0.542), 1.2rem);\"><a class=\"wp-block-button__link has-base-2-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/lightningxvpn.com\/ja\/download\" style=\"border-style:none;border-width:0px;border-radius:100px;background-color:#ffb700;padding-top:var(--wp--preset--spacing--10);padding-right:0;padding-bottom:var(--wp--preset--spacing--10);padding-left:0\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>LightningX VPN \u7121\u6599\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/strong><\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\u7d50\u8ad6<\/h2>\n\n\n\n<p>IP \u30a2\u30c9\u30ec\u30b9\u304b\u3089\u30b5\u30d6\u30cd\u30c3\u30c8 \u30de\u30b9\u30af\u3092\u898b\u3064\u3051\u308b\u306e\u306f\u8907\u96d1\u306b\u601d\u3048\u307e\u3059\u304c\u3001\u57fa\u672c\u3092\u7406\u89e3\u3059\u308c\u3070\u975e\u5e38\u306b\u7c21\u5358\u3067\u3059\u3002\u3053\u306e\u30d6\u30ed\u30b0\u3067\u306f\u3001IP \u30a2\u30c9\u30ec\u30b9\u3068\u30b5\u30d6\u30cd\u30c3\u30c8 \u30de\u30b9\u30af\u3068\u306f\u4f55\u304b\u3001\u307e\u305f <strong>IP\u30a2\u30c9\u30ec\u30b9\u304b\u3089\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u3092\u898b\u3064\u3051\u308b\u65b9\u6cd5<\/strong>\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002LightningX VPN \u306a\u3069\u306e VPN \u30b5\u30fc\u30d3\u30b9\u306b\u52a0\u5165\u3059\u308b\u5834\u5408\u306f\u3001\u3053\u306e\u30ac\u30a4\u30c9\u304c\u5f79\u7acb\u3064\u3053\u3068\u3092\u9858\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>IP\u30a2\u30c9\u30ec\u30b9\u3068\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u3064\u3044\u3066\u5b66\u3076\u4eba\u306b\u3068\u3063\u3066\u4e0d\u53ef\u6b20\u3067\u3059\u3002 \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u63a5\u7d9a\u3059\u308b\u3068\u3001\u30c7 [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":11803,"comment_status":"closed","ping_status":"open","sticky":false,"template":"wp-custom-template-ja","format":"standard","meta":{"footnotes":""},"categories":[526],"tags":[],"aioseo_notices":[],"lang":"ja","translations":{"ja":11965,"en":11797,"cn":11898,"tw":11928,"ko":12031,"ru":12051,"es":12094},"pll_sync_post":[],"_links":{"self":[{"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/posts\/11965"}],"collection":[{"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/comments?post=11965"}],"version-history":[{"count":3,"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/posts\/11965\/revisions"}],"predecessor-version":[{"id":28683,"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/posts\/11965\/revisions\/28683"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/media\/11803"}],"wp:attachment":[{"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/media?parent=11965"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/categories?post=11965"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/tags?post=11965"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}