{"id":6854,"date":"2026-02-24T19:41:19","date_gmt":"2026-02-24T10:41:19","guid":{"rendered":"https:\/\/venu-sys.co.jp\/jo-sys\/?p=6854"},"modified":"2026-02-24T19:41:22","modified_gmt":"2026-02-24T10:41:22","slug":"%e3%82%b5%e3%83%96%e3%83%8d%e3%83%83%e3%83%88%e3%83%9e%e3%82%b9%e3%82%af%e3%81%a8%e3%81%af%ef%bc%9fip%e3%82%a2%e3%83%89%e3%83%ac%e3%82%b9%e3%81%ae%e7%af%84%e5%9b%b2%e3%82%92%e6%b1%ba%e3%82%81%e3%82%8b","status":"publish","type":"post","link":"https:\/\/venu-sys.co.jp\/jo-sys\/6854\/","title":{"rendered":"\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u3068\u306f\uff1fIP\u30a2\u30c9\u30ec\u30b9\u306e\u7bc4\u56f2\u3092\u6c7a\u3081\u308b\u4ed5\u7d44\u307f\u3068\u8a08\u7b97\u65b9\u6cd5\u3092\u521d\u5fc3\u8005\u5411\u3051\u306b\u89e3\u8aac"},"content":{"rendered":"<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-left\" data-col=\"blue\"><div class=\"c-balloon__body -speaking -border-none\"><div class=\"c-balloon__text\">\n<p>\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u306e\u8a2d\u5b9a\u9805\u76ee\u304c\u3042\u308b\u3051\u308c\u3069\u3001\u4f55\u3092\u5165\u529b\u3059\u308c\u3070\u3044\u3044\u304b\u5206\u304b\u3089\u306a\u3044<\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-left\" data-col=\"blue\"><div class=\"c-balloon__body -speaking -border-none\"><div class=\"c-balloon__text\">\n<p>IP\u30a2\u30c9\u30ec\u30b9\u3068\u306e\u9055\u3044\u3084\u3001\u6570\u5b57\u306e\u610f\u5473\u304c\u96e3\u3057\u304f\u3066\u632b\u6298\u3057\u305d\u3046<\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-left\" data-col=\"blue\"><div class=\"c-balloon__body -speaking -border-none\"><div class=\"c-balloon__text\">\n<p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u69cb\u7bc9\u3092\u4efb\u3055\u308c\u305f\u306e\u3067\u3001\u8a08\u7b97\u65b9\u6cd5\u3092\u6b63\u78ba\u306b\u77e5\u308a\u305f\u3044<\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n\n<p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a2d\u5b9a\u3067\u5fc5\u305a\u76ee\u306b\u3059\u308b\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u3067\u3059\u304c\u3001\u591a\u304f\u306e\u521d\u5fc3\u8005\u304c\u300c\u4ed5\u7d44\u307f\u304c\u8907\u96d1\u3067\u899a\u3048\u3089\u308c\u306a\u3044\u300d\u3068\u3064\u307e\u305a\u304d\u304c\u3061\u3067\u3059\u3002<\/p>\n\n\n\n<p><strong><span class=\"swl-marker mark_yellow\"><span class=\"swl-inline-color has-swl-deep-01-color\">\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u3068\u306f\u3001IP\u30a2\u30c9\u30ec\u30b9\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u90e8\u5206\u3068\u30db\u30b9\u30c8\u90e8\u5206\u3092\u533a\u5207\u308b\u4ed5\u7d44\u307f\u306e\u3053\u3068<\/span><\/span><\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u5c02\u9580\u7528\u8a9e\u3092\u6975\u529b\u6291\u3048\u3001\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u306e\u5f79\u5272\u304b\u3089\u8a08\u7b97\u65b9\u6cd5\u307e\u3067\u3092\u3001\u6bd4\u8f03\u8868\u3092\u7528\u3044\u3066\u76f4\u611f\u7684\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"is-style-icon_announce\">\u8a18\u4e8b\u3092\u8aad\u3081\u3070\u3001\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u306e\u6570\u5024\u3092\u8ff7\u308f\u305a\u306b\u8a2d\u5b9a\u3067\u304d\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u7bc4\u56f2\u3092\u81ea\u7531\u81ea\u5728\u306b\u6271\u3048\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u3068\u306fIP\u30a2\u30c9\u30ec\u30b9\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u90e8\u5206\u3068\u30db\u30b9\u30c8\u90e8\u5206\u3092\u533a\u5207\u308b\u4ed5\u7d44\u307f<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"572\" src=\"https:\/\/venu-sys.co.jp\/jo-sys\/wp-content\/uploads\/sites\/2\/2026\/02\/unnamed-2026-02-24T193718.422-1024x572.jpg\" alt=\"\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u3068\u306f\u306e\u753b\u50cf\" class=\"wp-image-8219\" style=\"width:640px\" srcset=\"https:\/\/venu-sys.co.jp\/jo-sys\/wp-content\/uploads\/sites\/2\/2026\/02\/unnamed-2026-02-24T193718.422-1024x572.jpg 1024w, https:\/\/venu-sys.co.jp\/jo-sys\/wp-content\/uploads\/sites\/2\/2026\/02\/unnamed-2026-02-24T193718.422-300x167.jpg 300w, https:\/\/venu-sys.co.jp\/jo-sys\/wp-content\/uploads\/sites\/2\/2026\/02\/unnamed-2026-02-24T193718.422-768x429.jpg 768w, https:\/\/venu-sys.co.jp\/jo-sys\/wp-content\/uploads\/sites\/2\/2026\/02\/unnamed-2026-02-24T193718.422-1536x857.jpg 1536w, https:\/\/venu-sys.co.jp\/jo-sys\/wp-content\/uploads\/sites\/2\/2026\/02\/unnamed-2026-02-24T193718.422-2048x1143.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u306f\u3001<strong><span class=\"swl-marker mark_yellow\"><span class=\"swl-inline-color has-swl-deep-01-color\">IP\u30a2\u30c9\u30ec\u30b9\u3092\u300c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4f4f\u6240\u300d\u3068\u300c\u500b\u5225\u306e\u6a5f\u5668\u756a\u53f7\u300d\u306b\u5207\u308a\u5206\u3051\u308b\u305f\u3081\u306e\u30d5\u30a3\u30eb\u30bf\u30fc<\/span><\/span><\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n<p>IP\u30a2\u30c9\u30ec\u30b9\u3060\u3051\u3067\u306f\u3001\u3069\u306e\u7bc4\u56f2\u307e\u3067\u304c\u540c\u3058\u30b0\u30eb\u30fc\u30d7\uff08\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff09\u306b\u5c5e\u3057\u3066\u3044\u308b\u304b\u5224\u5225\u3067\u304d\u307e\u305b\u3093\u3002\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u901a\u4fe1\u306e\u5b9b\u5148\u304c\u540c\u3058\u30b0\u30eb\u30fc\u30d7\u5185\u304b\u3001\u3042\u308b\u3044\u306f\u5916\u90e8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304b\u3092\u8b58\u5225\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table style=\"font-size:12px;\" class=\"has-fixed-layout\"><thead><tr><td><strong>\u9805\u76ee<\/strong><\/td><td><strong>\u5f79\u5272<\/strong><\/td><td><strong>\u4f4f\u6240\u306b\u4f8b\u3048\u308b\u3068<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>IP\u30a2\u30c9\u30ec\u30b9<\/strong><\/td><td>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306e\u4f4f\u6240<\/td><td>\u90fd\u9053\u5e9c\u770c\u30fb\u5e02\u753a\u6751\u30fb\u756a\u5730<\/td><\/tr><tr><td><strong>\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af<\/strong><\/td><td>\u5883\u754c\u7dda\u3092\u6c7a\u3081\u308b\u30eb\u30fc\u30eb<\/td><td>\u300c\u5e02\u533a\u753a\u6751\u307e\u3067\u300d\u3068\u3044\u3046\u533a\u5207\u308a<\/td><\/tr><tr><td><strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u90e8<\/strong><\/td><td>\u6240\u5c5e\u3059\u308b\u30b0\u30eb\u30fc\u30d7\u306e\u756a\u53f7<\/td><td>\u6771\u4eac\u90fd\u65b0\u5bbf\u533a\uff08\u30a8\u30ea\u30a2\uff09<\/td><\/tr><tr><td><strong>\u30db\u30b9\u30c8\u90e8<\/strong><\/td><td>\u30b0\u30eb\u30fc\u30d7\u5185\u306e\u500b\u5225\u306e\u756a\u53f7<\/td><td>1\u756a\u5730\uff08\u7279\u5b9a\u306e\u5bb6\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u306e\u8868\u8a18\u65b9\u6cd5<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"572\" src=\"https:\/\/venu-sys.co.jp\/jo-sys\/wp-content\/uploads\/sites\/2\/2026\/02\/unnamed-2026-02-24T193752.056-1024x572.jpg\" alt=\"\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u306e\u8868\u8a18\u65b9\u6cd5\u306e\u753b\u50cf\" class=\"wp-image-8221\" style=\"width:640px\" srcset=\"https:\/\/venu-sys.co.jp\/jo-sys\/wp-content\/uploads\/sites\/2\/2026\/02\/unnamed-2026-02-24T193752.056-1024x572.jpg 1024w, https:\/\/venu-sys.co.jp\/jo-sys\/wp-content\/uploads\/sites\/2\/2026\/02\/unnamed-2026-02-24T193752.056-300x167.jpg 300w, https:\/\/venu-sys.co.jp\/jo-sys\/wp-content\/uploads\/sites\/2\/2026\/02\/unnamed-2026-02-24T193752.056-768x429.jpg 768w, https:\/\/venu-sys.co.jp\/jo-sys\/wp-content\/uploads\/sites\/2\/2026\/02\/unnamed-2026-02-24T193752.056-1536x857.jpg 1536w, https:\/\/venu-sys.co.jp\/jo-sys\/wp-content\/uploads\/sites\/2\/2026\/02\/unnamed-2026-02-24T193752.056-2048x1143.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u306e\u8868\u8a18\u306b\u306f\u3001\u4e3b\u306b<strong><span class=\"swl-marker mark_yellow\"><span class=\"swl-inline-color has-swl-deep-01-color\">\u300c10\u9032\u6570\u8868\u8a18\u300d\u3068\u300cCIDR\uff08\u30b5\u30a4\u30c0\u30fc\uff09\u8868\u8a18\u300d\u306e2\u7a2e\u985e\u304c\u5b58\u5728<\/span><\/span><\/strong>\u3057\u307e\u3059\u3002Windows\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a2d\u5b9a\u306a\u3069\u3067\u306f\u300c255.255.255.0\u300d\u3068\u3044\u3063\u305f10\u9032\u6570\u304c\u4e00\u822c\u7684\u306b\u4f7f\u308f\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4e00\u65b9\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u8a2d\u8a08\u66f8\u3084\u30eb\u30fc\u30bf\u30fc\u306e\u8a2d\u5b9a\u3067\u306f\u300c\/24\u300d\u306e\u3088\u3046\u306aCIDR\u8868\u8a18\u304c\u7528\u3044\u3089\u308c\u308b\u30b1\u30fc\u30b9\u304c\u591a\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3044\u305a\u308c\u3082\u540c\u3058\u610f\u5473\u3067\u3059\u304c\u3001\u66f8\u304d\u65b9\u304c\u7570\u306a\u308b\u3060\u3051\u3067\u3059\u3002\u521d\u5fc3\u8005\u306f\u307e\u305a\u3001\u3053\u308c\u30892\u3064\u306e\u66f8\u304d\u65b9\u304c\u5bfe\u306b\u306a\u3063\u3066\u3044\u308b\u70b9\u3092\u7406\u89e3\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table style=\"font-size:12px;\" class=\"has-fixed-layout\"><thead><tr><td><strong>10\u9032\u6570\u8868\u8a18<\/strong><\/td><td><strong>CIDR\u8868\u8a18<\/strong><\/td><td><strong>2\u9032\u6570\u3067\u306e\u30a4\u30e1\u30fc\u30b8\uff08\u5de6\u304b\u30891\u306e\u6570\uff09<\/strong><\/td><\/tr><\/thead><tbody><tr><td>255.0.0.0<\/td><td>\/8<\/td><td>11111111.00000000&#8230;<\/td><\/tr><tr><td>255.255.0.0<\/td><td>\/16<\/td><td>11111111.11111111.00000000&#8230;<\/td><\/tr><tr><td>255.255.255.0<\/td><td>\/24<\/td><td>11111111.11111111.11111111.00000000<\/td><\/tr><tr><td>255.255.255.128<\/td><td>\/25<\/td><td>11111111.11111111.11111111.10000000<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u306f\u306a\u305c\u5fc5\u8981\u306a\u306e\u304b<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"572\" src=\"https:\/\/venu-sys.co.jp\/jo-sys\/wp-content\/uploads\/sites\/2\/2026\/02\/unnamed-2026-02-24T193830.777-1024x572.jpg\" alt=\"\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u306f\u306a\u305c\u5fc5\u8981\u306a\u306e\u304b\u306e\u753b\u50cf\" class=\"wp-image-8223\" style=\"width:640px\" srcset=\"https:\/\/venu-sys.co.jp\/jo-sys\/wp-content\/uploads\/sites\/2\/2026\/02\/unnamed-2026-02-24T193830.777-1024x572.jpg 1024w, https:\/\/venu-sys.co.jp\/jo-sys\/wp-content\/uploads\/sites\/2\/2026\/02\/unnamed-2026-02-24T193830.777-300x167.jpg 300w, https:\/\/venu-sys.co.jp\/jo-sys\/wp-content\/uploads\/sites\/2\/2026\/02\/unnamed-2026-02-24T193830.777-768x429.jpg 768w, https:\/\/venu-sys.co.jp\/jo-sys\/wp-content\/uploads\/sites\/2\/2026\/02\/unnamed-2026-02-24T193830.777-1536x857.jpg 1536w, https:\/\/venu-sys.co.jp\/jo-sys\/wp-content\/uploads\/sites\/2\/2026\/02\/unnamed-2026-02-24T193830.777-2048x1143.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u304c\u5fc5\u8981\u306a\u7406\u7531\u306f\u3001<strong><span class=\"swl-marker mark_yellow\"><span class=\"swl-inline-color has-swl-deep-01-color\">\u81a8\u5927\u306a\u6570\u306e\u7aef\u672b\u3092\u52b9\u7387\u3088\u304f\u7ba1\u7406\u3057\u3001\u901a\u4fe1\u306e\u6df7\u96d1\u3092\u9632\u3050\u305f\u3081<\/span><\/span><\/strong>\u3067\u3059\u3002\u4e00\u3064\u306e\u5de8\u5927\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u5168\u7aef\u672b\u3092\u63a5\u7d9a\u3059\u308b\u3068\u3001\u653e\u9001\u306e\u3088\u3046\u306a\u4e00\u6589\u9001\u4fe1\u30c7\u30fc\u30bf\u304c\u6ea2\u308c\u3001\u901a\u4fe1\u901f\u5ea6\u304c\u8457\u3057\u304f\u4f4e\u4e0b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5927\u304d\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u9069\u5207\u306a\u30b5\u30a4\u30ba\u306e\u300c\u30b5\u30d6\u30cd\u30c3\u30c8\uff08\u5c0f\u898f\u6a21\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff09\u300d\u306b\u5206\u5272\u3059\u308c\u3070\u3001\u901a\u4fe1\u306e\u7bc4\u56f2\u3092\u9650\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5411\u4e0a\u3084\u3001IP\u30a2\u30c9\u30ec\u30b9\u306e\u7121\u99c4\u9063\u3044\u3092\u9632\u3050\u305f\u3081\u306b\u3082\u3001\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u306b\u3088\u308b\u5236\u5fa1\u306f\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table style=\"font-size:12px;\" class=\"has-fixed-layout\"><thead><tr><td><strong>\u30e1\u30ea\u30c3\u30c8<\/strong><\/td><td><strong>\u89e3\u8aac<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>\u901a\u4fe1\u52b9\u7387\u306e\u5411\u4e0a<\/strong><\/td><td>\u4e0d\u8981\u306a\u30c7\u30fc\u30bf\u9001\u4fe1\u3092\u5236\u9650\u3057\u3001\u5e2f\u57df\u306e\u6d6a\u8cbb\u3092\u9632\u3050<\/td><\/tr><tr><td><strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5f37\u5316<\/strong><\/td><td>\u90e8\u7f72\u3054\u3068\u306b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u5206\u3051\u3001\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u3092\u9632\u6b62\u3059\u308b<\/td><\/tr><tr><td><strong>\u30a2\u30c9\u30ec\u30b9\u306e\u7bc0\u7d04<\/strong><\/td><td>\u5fc5\u8981\u306a\u5206\u3060\u3051IP\u30a2\u30c9\u30ec\u30b9\u3092\u5272\u308a\u5f53\u3066\u3001\u67af\u6e07\u3092\u9632\u3050<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u306e\u8a08\u7b97\u65b9\u6cd5\u3068\u5177\u4f53\u4f8b<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"572\" src=\"https:\/\/venu-sys.co.jp\/jo-sys\/wp-content\/uploads\/sites\/2\/2026\/02\/unnamed-2026-02-24T193906.104-1024x572.jpg\" alt=\"\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u306e\u8a08\u7b97\u65b9\u6cd5\u3068\u5177\u4f53\u4f8b\u306e\u753b\u50cf\" class=\"wp-image-8225\" style=\"width:640px\" srcset=\"https:\/\/venu-sys.co.jp\/jo-sys\/wp-content\/uploads\/sites\/2\/2026\/02\/unnamed-2026-02-24T193906.104-1024x572.jpg 1024w, https:\/\/venu-sys.co.jp\/jo-sys\/wp-content\/uploads\/sites\/2\/2026\/02\/unnamed-2026-02-24T193906.104-300x167.jpg 300w, https:\/\/venu-sys.co.jp\/jo-sys\/wp-content\/uploads\/sites\/2\/2026\/02\/unnamed-2026-02-24T193906.104-768x429.jpg 768w, https:\/\/venu-sys.co.jp\/jo-sys\/wp-content\/uploads\/sites\/2\/2026\/02\/unnamed-2026-02-24T193906.104-1536x857.jpg 1536w, https:\/\/venu-sys.co.jp\/jo-sys\/wp-content\/uploads\/sites\/2\/2026\/02\/unnamed-2026-02-24T193906.104-2048x1143.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u306e\u8a08\u7b97\u306f\u3001IP\u30a2\u30c9\u30ec\u30b9\u3068\u30de\u30b9\u30af\u5024\u3092\u300c2\u9032\u6570\u300d\u306b\u5909\u63db\u3057\u3066\u6bd4\u8f03\u3059\u308b\u4f5c\u696d\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"is-style-icon_pen\">\u4f8b\uff1a\u300c192.168.1.10\/24\u300d\u306e\u5834\u5408\u3001\u5de6\u304b\u308924\u30d3\u30c3\u30c8\u5206\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u90e8\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u8a08\u7b97\u306e\u7d50\u679c\u3001\u30db\u30b9\u30c8\u90e8\u306e\u30d3\u30c3\u30c8\u304c\u3059\u3079\u3066\u300c0\u300d\u306e\u30a2\u30c9\u30ec\u30b9\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30c9\u30ec\u30b9\u3001\u3059\u3079\u3066\u300c1\u300d\u306e\u30a2\u30c9\u30ec\u30b9\u306f\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u30a2\u30c9\u30ec\u30b9\u3068\u547c\u3070\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table style=\"font-size:12px;\" class=\"has-fixed-layout\"><thead><tr><td><strong>\u9805\u76ee<\/strong><\/td><td><strong>\u5177\u4f53\u7684\u306a\u6570\u5024<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>IP\u30a2\u30c9\u30ec\u30b9<\/strong><\/td><td>192.168.1.10<\/td><\/tr><tr><td><strong>\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af<\/strong><\/td><td>255.255.255.0 (\/24)<\/td><\/tr><tr><td><strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30c9\u30ec\u30b9<\/strong><\/td><td>192.168.1.0<\/td><\/tr><tr><td><strong>\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u30a2\u30c9\u30ec\u30b9<\/strong><\/td><td>192.168.1.255<\/td><\/tr><tr><td><strong>\u5229\u7528\u53ef\u80fd\u306a\u7aef\u672b\u6570<\/strong><\/td><td>254\u53f0 (256 &#8211; 2)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u3068CIDR\u306e\u9055\u3044<\/h2>\n\n\n\n<p>\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u3068CIDR\u306f\u3001\u3069\u3061\u3089\u3082\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u7bc4\u56f2\u3092\u6307\u5b9a\u3059\u308b\u4ed5\u7d44\u307f\u3067\u3059\u304c\u3001\u67d4\u8edf\u6027\u304c\u7570\u306a\u308a\u307e\u3059\u3002\u5f93\u6765\u306e\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u306f\u3001\u30af\u30e9\u30b9A\u30fbB\u30fbC\u3068\u3044\u3046\u56fa\u5b9a\u3055\u308c\u305f\u67a0\u7d44\u307f\u306b\u57fa\u3065\u3044\u305f\u904b\u7528\u304c\u4e3b\u6d41\u3067\u3057\u305f\u3002<\/p>\n\n\n\n<p><strong><span class=\"swl-marker mark_yellow\"><span class=\"swl-inline-color has-swl-deep-01-color\">CIDR\u306f\u30af\u30e9\u30b9\u306e\u6982\u5ff5\u3092\u64a4\u5ec3\u3057\u3001\u4efb\u610f\u306e\u30d3\u30c3\u30c8\u6570\u3067\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u533a\u5207\u308b\u6280\u8853<\/span><\/span><\/strong>\u3067\u3059\u3002\u73fe\u4ee3\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3067\u306f\u3001IP\u30a2\u30c9\u30ec\u30b9\u30921\u30d3\u30c3\u30c8\u5358\u4f4d\u3067\u7d30\u304b\u304f\u5207\u308a\u51fa\u305b\u308bCIDR\u304c\u6a19\u6e96\u7684\u306b\u5229\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table style=\"font-size:12px;\" class=\"has-fixed-layout\"><thead><tr><td><strong>\u6bd4\u8f03\u9805\u76ee<\/strong><\/td><td><strong>\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\uff08\u30af\u30e9\u30b9\u6982\u5ff5\uff09<\/strong><\/td><td><strong>CIDR\uff08\u30af\u30e9\u30b9\u30ec\u30b9\uff09<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>\u533a\u5207\u308a\u306e\u5358\u4f4d<\/strong><\/td><td>8\u30d3\u30c3\u30c8\uff081\u30d0\u30a4\u30c8\uff09\u3054\u3068\u304c\u57fa\u672c<\/td><td>1\u30d3\u30c3\u30c8\u5358\u4f4d\u3067\u81ea\u7531\u306b\u8a2d\u5b9a\u53ef\u80fd<\/td><\/tr><tr><td><strong>\u67d4\u8edf\u6027<\/strong><\/td><td>\u4f4e\u3044\uff08\u5927\u30fb\u4e2d\u30fb\u5c0f\u306e3\u629e\u306b\u8fd1\u3044\uff09<\/td><td>\u975e\u5e38\u306b\u9ad8\u3044<\/td><\/tr><tr><td><strong>\u73fe\u5728\u306e\u4e3b\u6d41<\/strong><\/td><td>\u8a2d\u5b9a\u753b\u9762\u306e\u5165\u529b\u5f62\u5f0f\u3068\u3057\u3066\u6b8b\u308b<\/td><td>\u8a2d\u8a08\u3084\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u6a19\u6e96<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u307e\u3068\u3081 | \u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u306fIP\u30a2\u30c9\u30ec\u30b9\u306e\u7bc4\u56f2\u3092\u6c7a\u3081\u308b\u91cd\u8981\u306a\u4ed5\u7d44\u307f<\/h2>\n\n\n\n<p>\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u306f\u3001IP\u30a2\u30c9\u30ec\u30b9\u3092\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u90e8\u3068\u30db\u30b9\u30c8\u90e8\u306b\u5206\u3051\u3001\u901a\u4fe1\u306e\u7bc4\u56f2\u3092\u5b9a\u7fa9\u3059\u308b\u91cd\u8981\u306a\u5f79\u5272\u3092\u62c5\u3044\u307e\u3059\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u6df7\u96d1\u56de\u907f\u3084\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u7dad\u6301\u306b\u306f\u3001\u9069\u5207\u306a\u30de\u30b9\u30af\u8a2d\u5b9a\u304c\u6b20\u304b\u305b\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u300c255.255.255.0\u300d\u3084\u300c\/24\u300d\u3068\u3044\u3063\u305f\u8868\u8a18\u306b\u6163\u308c\u3001\u8a08\u7b97\u65b9\u6cd5\u3092\u7406\u89e3\u3059\u308c\u3070\u3001\u30c8\u30e9\u30d6\u30eb\u767a\u751f\u6642\u306e\u539f\u56e0\u7279\u5b9a\u3082\u30b9\u30e0\u30fc\u30ba\u306b\u306a\u308a\u307e\u3059\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u69cb\u7bc9\u306e\u7b2c\u4e00\u6b69\u3068\u3057\u3066\u3001\u307e\u305a\u306f\u81ea\u5206\u306ePC\u306e\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a2d\u5b9a\u3067\u5fc5\u305a\u76ee\u306b\u3059\u308b\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u3067\u3059\u304c\u3001\u591a\u304f\u306e\u521d\u5fc3\u8005\u304c\u300c\u4ed5\u7d44\u307f\u304c\u8907\u96d1\u3067\u899a\u3048\u3089\u308c\u306a\u3044\u300d\u3068\u3064\u307e\u305a\u304d\u304c\u3061\u3067\u3059\u3002 \u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u3068\u306f\u3001IP\u30a2\u30c9\u30ec\u30b9\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u90e8\u5206\u3068\u30db\u30b9\u30c8\u90e8\u5206\u3092\u533a\u5207\u308b\u4ed5\u7d44\u307f\u306e\u3053\u3068\u3067\u3059\u3002 \u3053\u306e\u8a18\u4e8b [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":8227,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[41,18],"tags":[],"class_list":["post-6854","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-glossary","category-infrastructure"],"jetpack_featured_media_url":"https:\/\/venu-sys.co.jp\/jo-sys\/wp-content\/uploads\/sites\/2\/2026\/02\/jo-sys_6854.png","_links":{"self":[{"href":"https:\/\/venu-sys.co.jp\/jo-sys\/wp-json\/wp\/v2\/posts\/6854","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/venu-sys.co.jp\/jo-sys\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/venu-sys.co.jp\/jo-sys\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/venu-sys.co.jp\/jo-sys\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/venu-sys.co.jp\/jo-sys\/wp-json\/wp\/v2\/comments?post=6854"}],"version-history":[{"count":12,"href":"https:\/\/venu-sys.co.jp\/jo-sys\/wp-json\/wp\/v2\/posts\/6854\/revisions"}],"predecessor-version":[{"id":8226,"href":"https:\/\/venu-sys.co.jp\/jo-sys\/wp-json\/wp\/v2\/posts\/6854\/revisions\/8226"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/venu-sys.co.jp\/jo-sys\/wp-json\/wp\/v2\/media\/8227"}],"wp:attachment":[{"href":"https:\/\/venu-sys.co.jp\/jo-sys\/wp-json\/wp\/v2\/media?parent=6854"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/venu-sys.co.jp\/jo-sys\/wp-json\/wp\/v2\/categories?post=6854"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/venu-sys.co.jp\/jo-sys\/wp-json\/wp\/v2\/tags?post=6854"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}