{"id":27831,"date":"2024-11-24T20:03:59","date_gmt":"2024-11-24T12:03:59","guid":{"rendered":"https:\/\/fwq.ai\/blog\/?p=27831"},"modified":"2024-11-24T20:03:59","modified_gmt":"2024-11-24T12:03:59","slug":"ip%e7%9a%84%e5%88%86%e7%ba%a7","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/27831\/","title":{"rendered":"IP\u7684\u5206\u7ea7"},"content":{"rendered":"<article id=\"post-917\" class=\"post-917 post type-post status-publish format-standard hentry category-shell category-os tag-linux\">\n<div class=\"entry-content\">\n<p><strong>1\u3001\u4ee5\u4e8c\u9032\u4f4d\u8aaa\u660e Network \u7b2c\u4e00\u500b\u6578\u5b57\u7684\u5b9a\u7fa9\uff1a<\/strong><\/p>\n<pre>Class A : 0xxxxxxx.xxxxxxxx.xxxxxxxx.xxxxxxxx\u00a0 ==&gt; NetI_D \u7684\u958b\u982d\u662f 0\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 |--net--|---------host------------|\r\nClass B : 10xxxxxx.xxxxxxxx.xxxxxxxx.xxxxxxxx\u00a0 ==&gt; NetI_D \u7684\u958b\u982d\u662f 10\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 |------net-------|------host------|\r\nClass C : 110xxxxx.xxxxxxxx.xxxxxxxx.xxxxxxxx\u00a0 ==&gt; NetI_D \u7684\u958b\u982d\u662f 110\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 |-----------net-----------|-host--|\r\nClass D : 1110xxxx.xxxxxxxx.xxxxxxxx.xxxxxxxx\u00a0 ==&gt; NetI_D \u7684\u958b\u982d\u662f 1110\r\nClass E : 1111xxxx.xxxxxxxx.xxxxxxxx.xxxxxxxx\u00a0 ==&gt; NetI_D \u7684\u958b\u982d\u662f 1111\r\n\r\n\u4e94\u7a2e\u5206\u7d1a\u5728\u5341\u9032\u4f4d\u7684\u8868\u793a\uff1a\r\nClass A :\u00a0\u00a0 0.xx.xx.xx ~ 127.xx.xx.xx\r\nClass B : 128.xx.xx.xx ~ 191.xx.xx.xx\r\nClass C : 192.xx.xx.xx ~ 223.xx.xx.xx\r\nClass D : 224.xx.xx.xx ~ 239.xx.xx.xx\r\nClass E : 240.xx.xx.xx ~ 255.xx.xx.xx<\/pre>\n<p>&nbsp;<\/p>\n<p><strong>2\u3001\u79c1\u6709IP<\/strong><\/p>\n<pre>Class A\uff1a10.0.0.0\u00a0\u00a0\u00a0 - 10.255.255.255\r\nClass B\uff1a172.16.0.0\u00a0 - 172.31.255.255\r\nClass C\uff1a192.168.0.0 - 192.168.255.255<\/pre>\n<p><strong>3\u3001IP\u5212\u5206\u7684\u7b97\u6cd5\u603b\u7ed3<\/strong><\/p>\n<pre>a\u3001\u9700\u660e\u786e\u786e\u8ba4IP\u662f\u5c5e\u4e8e\u54ea\u4e2a\u7b49\u7ea7\u7684\u3002\r\nb\u3001\u6839\u636enet_id\u5360\u7528host_id\u7684\u4f4d\u6570\u6765\u76f8\u9664\r\n\u4f8b\u5982\uff1a\r\n\u6839\u636e192.168.0.0\/26,\u6b64\u65f6\u5f97\u77e5\uff1a\r\n\u5c5e\u4e8eclass c\u6bb5\uff0c\u7406\u8bba\u4e0a\u5360\u752824 bits.\u6b64\u65f6\u4f7f\u752826\uff0c\u591a\u5360 2 bits \u7684 host_id\u3002\r\n256 \/ ((26-24) * 2) = 64\r\n\u5219\u6b64\u65f6\uff0c\u5c06\u5206\u4e3a4\u4e2a\u7f51\u6bb5\uff0c\u7f51\u6bb5net_id\u5206\u522b\u4e3a\uff1a192.168.0.0 ,192.168.0.64,192.168.0.128,192.168.0.196\r\nboradcast\u5219\u5206\u522b\u4e3a\uff1a192.168.0.63,192.168.0.127,192.168.0.195,192.168.0.256<\/pre>\n<\/div>\n<\/article>\n","protected":false},"excerpt":{"rendered":"<p>1\u3001\u4ee5\u4e8c\u9032\u4f4d\u8aaa\u660e Network \u7b2c\u4e00\u500b\u6578\u5b57\u7684\u5b9a\u7fa9\uff1a Class A : 0xxxxxxx.xxxxxxxx.xxxxxxxx.xxxxxxxx\u00a0 ==&gt; NetI_D \u7684\u958b\u982d\u662f 0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 |&#8211;net&#8211;|&#8212;&#8212;&#8212;host&#8212;&#8212;&#8212;&#8212;| Class B : 10xxxxxx.xxxxxxxx.xxxxxxxx.xxxxxxxx\u00a0 ==&gt; NetI_D \u7684\u958b\u982d\u662f 10 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 |&#8212;&#8212;net&#8212;&#8212;-|&#8212;&#8212;host&#8212;&#8212;| Class C : 110xxxxx.xxxxxxxx.xxxxxxxx.xxxxxxxx\u00a0 ==&gt; NetI_D \u7684\u958b\u982d\u662f 110 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 |&#8212;&#8212;&#8212;&#8211;net&#8212;&#8212;&#8212;&#8211;|-host&#8211;| Class D : 1110xxxx.xxxxxxxx.xxxxxxxx.xxxxxxxx\u00a0 ==&gt; NetI_D \u7684\u958b\u982d\u662f 1110 Class E : 1111xxxx.xxxxxxxx.xxxxxxxx.xxxxxxxx\u00a0 ==&gt; NetI_D \u7684\u958b\u982d\u662f 1111 \u4e94\u7a2e\u5206\u7d1a\u5728\u5341\u9032\u4f4d\u7684\u8868\u793a\uff1a Class A :\u00a0\u00a0 0.xx.xx.xx ~ [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-27831","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/27831","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=27831"}],"version-history":[{"count":1,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/27831\/revisions"}],"predecessor-version":[{"id":27835,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/27831\/revisions\/27835"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=27831"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=27831"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=27831"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}