{"id":901,"date":"2023-07-13T15:10:42","date_gmt":"2023-07-13T06:10:42","guid":{"rendered":"https:\/\/pigletstory.co.kr\/?p=901"},"modified":"2023-07-13T15:10:42","modified_gmt":"2023-07-13T06:10:42","slug":"subnet-mask-%ec%84%9c%eb%b8%8c%eb%84%b7-%eb%a7%88%ec%8a%a4%ed%81%ac-%eb%b9%84%ed%8a%b8-%eb%b3%84-%ec%a0%95%eb%a6%ac","status":"publish","type":"post","link":"https:\/\/pigletstory.co.kr\/?p=901","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
bit<\/td>\n\u00a0netmask<\/td>\nCisco mask<\/td>\nhosts<\/td>\nusable hosts<\/td>\nClass<\/td>\n<\/tr>\n
\/4<\/td>\n240.0.0.0<\/td>\n15.255.255.255<\/td>\n268435456<\/td>\n268435454<\/td>\n<\/td>\n<\/tr>\n
\u00a0\/5<\/td>\n248.0.0.0<\/td>\n7.255.255.255<\/td>\n134217728<\/td>\n134217726<\/td>\n<\/td>\n<\/tr>\n
\u00a0\/6<\/td>\n252.0.0.0<\/td>\n3.255.255.255<\/td>\n\u00a067108864<\/td>\n67108862<\/td>\n<\/td>\n<\/tr>\n
\u00a0\/7<\/td>\n254.0.0.0<\/td>\n1.255.255.255<\/td>\n33554432<\/td>\n33554430<\/td>\n<\/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<\/td>\n<\/tr>\n
\u00a0\/10<\/td>\n255.192.0.0<\/td>\n0.63.255.255<\/td>\n4194304<\/td>\n4194302<\/td>\n<\/td>\n<\/tr>\n
\u00a0\/11<\/td>\n255.224.0.0<\/td>\n0.31.255.255<\/td>\n2097152<\/td>\n2097150<\/td>\n<\/td>\n<\/tr>\n
\u00a0\/12<\/td>\n255.240.0.0<\/td>\n0.15.255.255<\/td>\n1048576<\/td>\n1048574<\/td>\n<\/td>\n<\/tr>\n
\u00a0\/13<\/td>\n255.248.0.0<\/td>\n0.7.255.255<\/td>\n524288<\/td>\n524286<\/td>\n<\/td>\n<\/tr>\n
\u00a0\/14<\/td>\n255.252.0.0<\/td>\n0.3.255.255<\/td>\n262144<\/td>\n262142<\/td>\n<\/td>\n<\/tr>\n
\u00a0\/15<\/td>\n255.254.0.0<\/td>\n0.1.255.255<\/td>\n131072<\/td>\n131070<\/td>\n<\/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<\/td>\n<\/tr>\n
\u00a0\/18<\/td>\n255.255.192.0<\/td>\n0.0.63.255<\/td>\n16384<\/td>\n16382<\/td>\n<\/td>\n<\/tr>\n
\u00a0\/19<\/td>\n255.255.224.0<\/td>\n0.0.31.255<\/td>\n8192<\/td>\n8190<\/td>\n<\/td>\n<\/tr>\n
\u00a0\/20<\/td>\n255.255.240.0<\/td>\n0.0.15.255<\/td>\n4096<\/td>\n4094<\/td>\n<\/td>\n<\/tr>\n
\u00a0\/21<\/td>\n255.255.248.0<\/td>\n0.0.7.255<\/td>\n2048<\/td>\n2046<\/td>\n<\/td>\n<\/tr>\n
\u00a0\/22<\/td>\n255.255.252.0<\/td>\n0.0.3.255<\/td>\n1024<\/td>\n1022<\/td>\n<\/td>\n<\/tr>\n
\u00a0\/23<\/td>\n255.255.254.0<\/td>\n0.0.1.255<\/td>\n512<\/td>\n510<\/td>\n<\/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<\/td>\n<\/tr>\n
\u00a0\/26<\/td>\n255.255.255.192<\/td>\n0.0.0.63<\/td>\n64<\/td>\n62<\/td>\n<\/td>\n<\/tr>\n
\u00a0\/27<\/td>\n255.255.255.224<\/td>\n0.0.0.31<\/td>\n32<\/td>\n30<\/td>\n<\/td>\n<\/tr>\n
\u00a0\/28<\/td>\n255.255.255.240<\/td>\n0.0.0.15<\/td>\n16<\/td>\n14<\/td>\n<\/td>\n<\/tr>\n
\u00a0\/29<\/td>\n255.255.255.248<\/td>\n0.0.0.7<\/td>\n8<\/td>\n6<\/td>\n<\/td>\n<\/tr>\n
\u00a0\/30<\/td>\n255.255.255.252<\/td>\n0.0.0.3<\/td>\n4<\/td>\n2<\/td>\n<\/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<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

bit \u00a0netmask Cisco mask hosts usable hosts Class \/4 240.0.0.0 15.255.255.255 268435456 268435454 \u00a0\/5 248.0.0.0 7.255.255.255 134217728 134217726 \u00a0\/6 252.0.0.0 3.255.255.255 \u00a067108864 67108862 \u00a0\/7 254.0.0.0 1.255.255.255 33554432 33554430 \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\/10 255.192.0.0 0.63.255.255 4194304 4194302 \u00a0\/11 255.224.0.0 0.31.255.255 2097152 2097150 \u00a0\/12 255.240.0.0 0.15.255.255 1048576 1048574 … \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_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[5],"tags":[319,320,318,321],"class_list":["post-901","post","type-post","status-publish","format-standard","hentry","category-it-","tag-netmask","tag-netmask-bit","tag-subnet","tag-321"],"yoast_head":"\nsubnet 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=901\" \/>\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 hosts usable hosts Class \/4 240.0.0.0 15.255.255.255 268435456 268435454 \u00a0\/5 248.0.0.0 7.255.255.255 134217728 134217726 \u00a0\/6 252.0.0.0 3.255.255.255 \u00a067108864 67108862 \u00a0\/7 254.0.0.0 1.255.255.255 33554432 33554430 \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\/10 255.192.0.0 0.63.255.255 4194304 4194302 \u00a0\/11 255.224.0.0 0.31.255.255 2097152 2097150 \u00a0\/12 255.240.0.0 0.15.255.255 1048576 1048574 ... \ub354 \uc77d\uae30\" \/>\n<meta property=\"og:url\" content=\"https:\/\/pigletstory.co.kr\/?p=901\" \/>\n<meta property=\"og:site_name\" content=\"pigletstory \ube14\ub85c\uadf8\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-13T06:10:42+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\t<meta name=\"twitter:label2\" content=\"\uc608\uc0c1 \ub418\ub294 \ud310\ub3c5 \uc2dc\uac04\" \/>\n\t<meta name=\"twitter:data2\" content=\"1\ubd84\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/pigletstory.co.kr\\\/?p=901#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/pigletstory.co.kr\\\/?p=901\"},\"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\":\"2023-07-13T06:10:42+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/pigletstory.co.kr\\\/?p=901\"},\"wordCount\":24,\"commentCount\":0,\"keywords\":[\"netmask\",\"netmask bit\",\"subnet\",\"\ub137\ub9c8\uc2a4\ud06c \ube44\ud2b8\"],\"articleSection\":[\"IT \uc815\ubcf4\"],\"inLanguage\":\"ko-KR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/pigletstory.co.kr\\\/?p=901#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/pigletstory.co.kr\\\/?p=901\",\"url\":\"https:\\\/\\\/pigletstory.co.kr\\\/?p=901\",\"name\":\"subnet mask (\uc11c\ube0c\ub137 \ub9c8\uc2a4\ud06c) \ube44\ud2b8 \ubcc4 \uc815\ub9ac - 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