{"blog_title":"naos92\u306e\u65e5\u8a18","version":"1.0","height":"190","author_url":"https://blog.hatena.ne.jp/naos92/","categories":["IT","ChatGPT"],"url":"https://naos92.hatenablog.com/entry/2025/04/12/202522","image_url":null,"description":"CIDR\uff08Classless Inter-Domain Routing\uff09\u5f62\u5f0f\u306f\u3001IP\u30a2\u30c9\u30ec\u30b9\u3068\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u3092\u4e00\u4f53\u3067\u8868\u73fe\u3059\u308b\u65b9\u6cd5\u3067\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30c9\u30ec\u30b9\u3068\u30db\u30b9\u30c8\u30a2\u30c9\u30ec\u30b9\u306e\u7ba1\u7406\u3092\u67d4\u8edf\u306b\u884c\u3046\u305f\u3081\u306b\u4f7f\u308f\u308c\u307e\u3059\u3002 \u25a0 CIDR\u5f62\u5f0f\u3068\u306f\uff1f CIDR\u5f62\u5f0f\u3067\u306f\u3001IP\u30a2\u30c9\u30ec\u30b9\u306e\u5f8c\u306b\u30b9\u30e9\u30c3\u30b7\u30e5 / \u3068\u6570\u5b57\uff08\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9\u9577\uff09\u3092\u4ed8\u3051\u3066\u8868\u73fe\u3057\u307e\u3059\u3002 \u4f8b\uff1a 192.168.1.0/24 \u3053\u306e\u8868\u8a18\u306b\u306f\u4ee5\u4e0b\u306e\u610f\u5473\u304c\u3042\u308a\u307e\u3059\uff1a 192.168.1.0: \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30c9\u30ec\u30b9\uff08\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5168\u4f53\u3092\u8868\u3059\uff09 /24: \u4e0a\u4f4d24\u30d3\u30c3\u30c8\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u90e8\u3067\u3042\u308b\u3053\u3068\u3092\u610f\u5473\u3059\u308b\uff08\uff1d\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af 255.255.255.0\uff09 \u25a0 \u30cd\u30c3\u30c8\u2026","author_name":"naos92","type":"rich","published":"2025-04-12 20:25:22","blog_url":"https://naos92.hatenablog.com/","width":"100%","title":"\u3010ChatGPT\u3011CIDR\u5f62\u5f0f\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30c9\u30ec\u30b9\u3068\u30db\u30b9\u30c8\u30a2\u30c9\u30ec\u30b9\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044\u3002","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fnaos92.hatenablog.com%2Fentry%2F2025%2F04%2F12%2F202522\" title=\"\u3010ChatGPT\u3011CIDR\u5f62\u5f0f\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30c9\u30ec\u30b9\u3068\u30db\u30b9\u30c8\u30a2\u30c9\u30ec\u30b9\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044\u3002 - naos92\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_name":"Hatena Blog"}