{"id":2227,"date":"2023-08-03T06:19:05","date_gmt":"2023-08-02T21:19:05","guid":{"rendered":"https:\/\/pigletstory.co.kr\/548-2\/"},"modified":"2023-08-03T15:20:02","modified_gmt":"2023-08-03T06:20:02","slug":"548-2","status":"publish","type":"post","link":"https:\/\/pigletstory.co.kr\/?p=2227","title":{"rendered":"# subnet mask(\uc11c\ube0c\ub137 \ub9c8\uc2a4\ud06c) \ube44\ud2b8 \ubcc4 \uc815\ub9ac #"},"content":{"rendered":"
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
bit<\/span><\/td>\n\u00a0netmask<\/span><\/td>\nCisco mask\u00a0\u00a0<\/span><\/td>\nhosts\u00a0<\/span><\/td>\nusable hosts\u00a0<\/span><\/td>\nClass<\/td>\n<\/tr>\n
\/4<\/td>\n240.0.0.0<\/td>\n15.255.255.255<\/td>\n268435456<\/td>\n268435454<\/td>\n\u00a0<\/td>\n<\/tr>\n
\u00a0\/5<\/td>\n248.0.0.0<\/td>\n7.255.255.255<\/td>\n134217728<\/td>\n134217726<\/td>\n\u00a0<\/td>\n<\/tr>\n
\u00a0\/6<\/td>\n252.0.0.0<\/td>\n3.255.255.255<\/td>\n\u00a067108864<\/td>\n67108862<\/td>\n\u00a0<\/td>\n<\/tr>\n
\u00a0\/7<\/td>\n254.0.0.0<\/td>\n1.255.255.255<\/td>\n33554432<\/td>\n33554430<\/td>\n\u00a0<\/td>\n<\/tr>\n
\u00a0\/8<\/td>\n255.0.0.0<\/td>\n0.255.255.255<\/td>\n16777216<\/td>\n16777214<\/td>\n\u00a0A Class<\/td>\n<\/tr>\n
\u00a0\/9<\/td>\n255.128.0.0<\/td>\n0.127.255.255<\/td>\n8388608<\/td>\n8388606<\/td>\n\u00a0<\/td>\n<\/tr>\n
\u00a0\/10<\/td>\n255.192.0.0<\/td>\n0.63.255.255<\/td>\n4194304<\/td>\n4194302<\/td>\n\u00a0<\/td>\n<\/tr>\n
\u00a0\/11<\/td>\n255.224.0.0<\/td>\n0.31.255.255<\/td>\n2097152<\/td>\n2097150<\/td>\n\u00a0<\/td>\n<\/tr>\n
\u00a0\/12<\/td>\n255.240.0.0<\/td>\n0.15.255.255<\/td>\n1048576<\/td>\n1048574<\/td>\n\u00a0<\/td>\n<\/tr>\n
\u00a0\/13<\/td>\n255.248.0.0<\/td>\n0.7.255.255<\/td>\n524288<\/td>\n524286<\/td>\n\u00a0<\/td>\n<\/tr>\n
\u00a0\/14<\/td>\n255.252.0.0<\/td>\n0.3.255.255<\/td>\n262144<\/td>\n262142<\/td>\n\u00a0<\/td>\n<\/tr>\n
\u00a0\/15<\/td>\n255.254.0.0<\/td>\n0.1.255.255<\/td>\n131072<\/td>\n131070<\/td>\n\u00a0<\/td>\n<\/tr>\n
\u00a0\/16<\/td>\n255.255.0.0<\/td>\n0.0.255.255<\/td>\n65536<\/td>\n65534<\/td>\n\u00a0B Class<\/td>\n<\/tr>\n
\u00a0\/17<\/td>\n255.255.128.0<\/td>\n0.0.127.255<\/td>\n32768<\/td>\n32766<\/td>\n\u00a0<\/td>\n<\/tr>\n
\u00a0\/18<\/td>\n255.255.192.0<\/td>\n0.0.63.255<\/td>\n16384<\/td>\n16382<\/td>\n\u00a0<\/td>\n<\/tr>\n
\u00a0\/19<\/td>\n255.255.224.0<\/td>\n0.0.31.255<\/td>\n8192<\/td>\n8190<\/td>\n\u00a0<\/td>\n<\/tr>\n
\u00a0\/20<\/td>\n255.255.240.0<\/td>\n0.0.15.255<\/td>\n4096<\/td>\n4094<\/td>\n\u00a0<\/td>\n<\/tr>\n
\u00a0\/21<\/td>\n255.255.248.0<\/td>\n0.0.7.255<\/td>\n2048<\/td>\n2046<\/td>\n\u00a0<\/td>\n<\/tr>\n
\u00a0\/22<\/td>\n255.255.252.0<\/td>\n0.0.3.255<\/td>\n1024<\/td>\n1022<\/td>\n\u00a0<\/td>\n<\/tr>\n
\u00a0\/23<\/td>\n255.255.254.0<\/td>\n0.0.1.255<\/td>\n512<\/td>\n510<\/td>\n\u00a0<\/td>\n<\/tr>\n
\u00a0\/24<\/td>\n255.255.255.0<\/td>\n0.0.0.255<\/td>\n256<\/td>\n254<\/td>\n\u00a0C Class<\/td>\n<\/tr>\n
\u00a0\/25<\/td>\n255.255.255.128<\/td>\n0.0.0.127<\/td>\n128<\/td>\n126<\/td>\n\u00a0<\/td>\n<\/tr>\n
\u00a0\/26<\/td>\n255.255.255.192<\/td>\n0.0.0.63<\/td>\n64<\/td>\n62<\/td>\n\u00a0<\/td>\n<\/tr>\n
\u00a0\/27<\/td>\n255.255.255.224<\/td>\n0.0.0.31<\/td>\n32<\/td>\n30<\/td>\n\u00a0<\/td>\n<\/tr>\n
\u00a0\/28<\/td>\n255.255.255.240<\/td>\n0.0.0.15<\/td>\n16<\/td>\n14<\/td>\n\u00a0<\/td>\n<\/tr>\n
\u00a0\/29<\/td>\n255.255.255.248<\/td>\n0.0.0.7<\/td>\n8<\/td>\n6<\/td>\n\u00a0<\/td>\n<\/tr>\n
\u00a0\/30<\/td>\n255.255.255.252<\/td>\n0.0.0.3<\/td>\n4<\/td>\n2<\/td>\n\u00a0<\/td>\n<\/tr>\n
\u00a0\/31<\/td>\npoint to point links only<\/td>\n<\/tr>\n
\u00a0\/32<\/td>\n255.255.255.255<\/td>\n\u00a0use host notaition<\/td>\n1<\/td>\n1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

bit \u00a0netmask Cisco mask\u00a0\u00a0 hosts\u00a0 usable hosts\u00a0 Class \/4 240.0.0.0 15.255.255.255 268435456 268435454 \u00a0 \u00a0\/5 248.0.0.0 7.255.255.255 134217728 134217726 \u00a0 \u00a0\/6 252.0.0.0 3.255.255.255 \u00a067108864 67108862 \u00a0 \u00a0\/7 254.0.0.0 1.255.255.255 33554432 33554430 \u00a0 \u00a0\/8 255.0.0.0 0.255.255.255 16777216 16777214 \u00a0A Class \u00a0\/9 255.128.0.0 0.127.255.255 8388608 8388606 \u00a0 \u00a0\/10 255.192.0.0 0.63.255.255 4194304 4194302 \u00a0 \u00a0\/11 255.224.0.0 0.31.255.255 2097152 … \ub354 \uc77d\uae30<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[5,6,8],"tags":[919,920,916,914,917,918,915],"class_list":["post-2227","post","type-post","status-publish","format-standard","hentry","category-it-","category-linux---","category-windows","tag-subnet-bit","tag-subnet-class","tag-916","tag-914","tag-917","tag-918","tag-915"],"yoast_head":"\n# subnet mask(\uc11c\ube0c\ub137 \ub9c8\uc2a4\ud06c) \ube44\ud2b8 \ubcc4 \uc815\ub9ac # - pigletstory \ube14\ub85c\uadf8<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/pigletstory.co.kr\/?p=2227\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"# subnet mask(\uc11c\ube0c\ub137 \ub9c8\uc2a4\ud06c) \ube44\ud2b8 \ubcc4 \uc815\ub9ac # - pigletstory \ube14\ub85c\uadf8\" \/>\n<meta property=\"og:description\" content=\"bit \u00a0netmask Cisco mask\u00a0\u00a0 hosts\u00a0 usable hosts\u00a0 Class \/4 240.0.0.0 15.255.255.255 268435456 268435454 \u00a0 \u00a0\/5 248.0.0.0 7.255.255.255 134217728 134217726 \u00a0 \u00a0\/6 252.0.0.0 3.255.255.255 \u00a067108864 67108862 \u00a0 \u00a0\/7 254.0.0.0 1.255.255.255 33554432 33554430 \u00a0 \u00a0\/8 255.0.0.0 0.255.255.255 16777216 16777214 \u00a0A Class \u00a0\/9 255.128.0.0 0.127.255.255 8388608 8388606 \u00a0 \u00a0\/10 255.192.0.0 0.63.255.255 4194304 4194302 \u00a0 \u00a0\/11 255.224.0.0 0.31.255.255 2097152 ... \ub354 \uc77d\uae30\" \/>\n<meta property=\"og:url\" content=\"https:\/\/pigletstory.co.kr\/?p=2227\" \/>\n<meta property=\"og:site_name\" content=\"pigletstory \ube14\ub85c\uadf8\" \/>\n<meta property=\"article:published_time\" content=\"2023-08-02T21:19:05+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-08-03T06:20:02+00:00\" \/>\n<meta name=\"author\" content=\"woo\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\uae00\uc4f4\uc774\" \/>\n\t<meta name=\"twitter:data1\" content=\"woo\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/pigletstory.co.kr\\\/?p=2227#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/pigletstory.co.kr\\\/?p=2227\"},\"author\":{\"name\":\"woo\",\"@id\":\"https:\\\/\\\/pigletstory.co.kr\\\/#\\\/schema\\\/person\\\/d7120640ee051cf680fd1c6a5208d620\"},\"headline\":\"# subnet mask(\uc11c\ube0c\ub137 \ub9c8\uc2a4\ud06c) \ube44\ud2b8 \ubcc4 \uc815\ub9ac #\",\"datePublished\":\"2023-08-02T21:19:05+00:00\",\"dateModified\":\"2023-08-03T06:20:02+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/pigletstory.co.kr\\\/?p=2227\"},\"wordCount\":24,\"commentCount\":0,\"keywords\":[\"subnet bit\",\"subnet class\",\"\ube44\ud2b8\",\"\uc11c\ube0c\ub137\",\"\uc11c\ube0c\ub137 \ube44\ud2b8\",\"\uc11c\ube0c\ub137 \ud074\ub77c\uc2a4\",\"\uc11c\ube0c\ub137\ub9c8\uc2a4\ud06c\"],\"articleSection\":[\"IT \uc815\ubcf4\",\"Linux\",\"Windows\"],\"inLanguage\":\"ko-KR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/pigletstory.co.kr\\\/?p=2227#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/pigletstory.co.kr\\\/?p=2227\",\"url\":\"https:\\\/\\\/pigletstory.co.kr\\\/?p=2227\",\"name\":\"# subnet mask(\uc11c\ube0c\ub137 \ub9c8\uc2a4\ud06c) \ube44\ud2b8 \ubcc4 \uc815\ub9ac # - 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pigletstory \ube14\ub85c\uadf8","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/pigletstory.co.kr\/?p=2227","og_locale":"ko_KR","og_type":"article","og_title":"# subnet mask(\uc11c\ube0c\ub137 \ub9c8\uc2a4\ud06c) \ube44\ud2b8 \ubcc4 \uc815\ub9ac # - pigletstory \ube14\ub85c\uadf8","og_description":"bit \u00a0netmask Cisco mask\u00a0\u00a0 hosts\u00a0 usable hosts\u00a0 Class \/4 240.0.0.0 15.255.255.255 268435456 268435454 \u00a0 \u00a0\/5 248.0.0.0 7.255.255.255 134217728 134217726 \u00a0 \u00a0\/6 252.0.0.0 3.255.255.255 \u00a067108864 67108862 \u00a0 \u00a0\/7 254.0.0.0 1.255.255.255 33554432 33554430 \u00a0 \u00a0\/8 255.0.0.0 0.255.255.255 16777216 16777214 \u00a0A Class \u00a0\/9 255.128.0.0 0.127.255.255 8388608 8388606 \u00a0 \u00a0\/10 255.192.0.0 0.63.255.255 4194304 4194302 \u00a0 \u00a0\/11 255.224.0.0 0.31.255.255 2097152 ... \ub354 \uc77d\uae30","og_url":"https:\/\/pigletstory.co.kr\/?p=2227","og_site_name":"pigletstory \ube14\ub85c\uadf8","article_published_time":"2023-08-02T21:19:05+00:00","article_modified_time":"2023-08-03T06:20:02+00:00","author":"woo","twitter_card":"summary_large_image","twitter_misc":{"\uae00\uc4f4\uc774":"woo"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/pigletstory.co.kr\/?p=2227#article","isPartOf":{"@id":"https:\/\/pigletstory.co.kr\/?p=2227"},"author":{"name":"woo","@id":"https:\/\/pigletstory.co.kr\/#\/schema\/person\/d7120640ee051cf680fd1c6a5208d620"},"headline":"# subnet mask(\uc11c\ube0c\ub137 \ub9c8\uc2a4\ud06c) \ube44\ud2b8 \ubcc4 \uc815\ub9ac #","datePublished":"2023-08-02T21:19:05+00:00","dateModified":"2023-08-03T06:20:02+00:00","mainEntityOfPage":{"@id":"https:\/\/pigletstory.co.kr\/?p=2227"},"wordCount":24,"commentCount":0,"keywords":["subnet bit","subnet class","\ube44\ud2b8","\uc11c\ube0c\ub137","\uc11c\ube0c\ub137 \ube44\ud2b8","\uc11c\ube0c\ub137 \ud074\ub77c\uc2a4","\uc11c\ube0c\ub137\ub9c8\uc2a4\ud06c"],"articleSection":["IT \uc815\ubcf4","Linux","Windows"],"inLanguage":"ko-KR","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/pigletstory.co.kr\/?p=2227#respond"]}]},{"@type":"WebPage","@id":"https:\/\/pigletstory.co.kr\/?p=2227","url":"https:\/\/pigletstory.co.kr\/?p=2227","name":"# subnet mask(\uc11c\ube0c\ub137 \ub9c8\uc2a4\ud06c) \ube44\ud2b8 \ubcc4 \uc815\ub9ac # - 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