[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-1-en-105":3,"doc-seo-571879-105":53,"doc-detail-571879-en":127},{"code":4,"msg":5,"data":6},0,"success",[7,14,19,24,29,34,39,44,49],{"id":8,"doc_module":9,"doc_module_name":10,"category_name":11,"show_sort_weight":12,"slug":13},11,1,"Template","Presentations",90,"presentations",{"id":15,"doc_module":9,"doc_module_name":10,"category_name":16,"show_sort_weight":17,"slug":18},12,"Resumes",80,"resumes",{"id":20,"doc_module":9,"doc_module_name":10,"category_name":21,"show_sort_weight":22,"slug":23},14,"Invoices",70,"invoices",{"id":25,"doc_module":9,"doc_module_name":10,"category_name":26,"show_sort_weight":27,"slug":28},15,"Posters",60,"posters",{"id":30,"doc_module":9,"doc_module_name":10,"category_name":31,"show_sort_weight":32,"slug":33},16,"Social Media",50,"social-media",{"id":35,"doc_module":9,"doc_module_name":10,"category_name":36,"show_sort_weight":37,"slug":38},17,"Forms",40,"forms",{"id":40,"doc_module":9,"doc_module_name":10,"category_name":41,"show_sort_weight":42,"slug":43},18,"Letters",30,"letters",{"id":45,"doc_module":9,"doc_module_name":10,"category_name":46,"show_sort_weight":47,"slug":48},21,"Paper Templates",5,"papers-templates",{"id":50,"doc_module":9,"doc_module_name":10,"category_name":51,"show_sort_weight":4,"slug":52},158,"General","general-158",{"code":4,"msg":54,"data":55},"ok",{"site_id":56,"language":57,"slug":58,"title":59,"keywords":60,"description":61,"schema_data":62,"social_meta":120,"head_meta":122,"extra_data":124,"updated_unix":126},105,"en","subnetting-cheat-sheet-ipv4-addressing-and-subnetting","Subnetting Cheat Sheet - IPv4 Addressing and Subnetting","","Subnetting cheat sheet for IPv4 addressing and subnet planning, presenting key CIDR blocks with corresponding subnet masks, subnet address counts, and wildcard masks. Includes mappings of classful IPv4 address ranges (Class A/B/C/D/E) plus private and special-purpose IPv4 ranges such as localhost, APIPA, loopback, and bogon networks. Provides a decimal-to-binary reference table to support quick binary conversions during subnet calculations.",{"@graph":63,"@context":119},[64,80,102],{"@type":65,"itemListElement":66},"BreadcrumbList",[67,71,74,77],{"item":68,"name":69,"@type":70,"position":9},"https://docshare.wps.com","Home","ListItem",{"item":72,"name":10,"@type":70,"position":73},"https://docshare.wps.com/template/",2,{"item":75,"name":51,"@type":70,"position":76},"https://docshare.wps.com/template/general/",3,{"item":78,"name":59,"@type":70,"position":79},"https://docshare.wps.com/template/subnetting-cheat-sheet-ipv4-addressing-and-subnetting/571879/",4,{"url":78,"name":59,"@type":81,"image":82,"author":87,"headline":59,"publisher":90,"fileFormat":93,"inLanguage":57,"description":61,"dateModified":94,"datePublished":95,"encodingFormat":93,"isAccessibleForFree":96,"interactionStatistic":97},"DigitalDocument",{"url":83,"@type":84,"width":85,"height":86},"https://docshare.wps.com/thumbnails/subnetting-cheat-sheet-ipv4-addressing-and-subnetting/571879.png","ImageObject",442,249,{"name":88,"@type":89},"\tJames","Person",{"url":68,"name":91,"@type":92},"DocShare","Organization","application/pdf","2026-10-21","2026-10-13",true,{"@type":98,"interactionType":99,"userInteractionCount":101},"InteractionCounter",{"@type":100},"ViewAction",6,{"@type":103,"mainEntity":104},"FAQPage",[105,111,115],{"name":106,"@type":107,"acceptedAnswer":108},"How do CIDR prefixes map to subnet masks, addresses, and wildcard masks?","Question",{"text":109,"@type":110},"The sheet lists each CIDR prefix with its corresponding subnet mask, the number of addresses in the subnet, and the wildcard mask used for matching ranges.","Answer",{"name":112,"@type":107,"acceptedAnswer":113},"Which IPv4 address ranges are treated as private in IPv4 networking?",{"text":114,"@type":110},"It lists the private IPv4 blocks 10.0.0.0/8, 172.16.0.0/12, and 192.168.0.0/16.",{"name":116,"@type":107,"acceptedAnswer":117},"What special-purpose IPv4 ranges are included beyond private addresses?",{"text":118,"@type":110},"It covers localhost (loopback), APIPA, and multiple bogon or reserved/test ranges such as 192.0.2.0/24 and TEST-NET networks, along with multicast and limited broadcast.","https://schema.org",{"og:url":78,"og:type":121,"og:title":59,"og:site_name":91,"og:description":61},"article",{"robots":123,"canonical":78},"index,follow",{"doc_id":125,"site_id":56},571879,1792097040,{"code":4,"msg":5,"data":128},{"doc_id":125,"user_id":129,"nickname":88,"user_avatar":130,"doc_module":9,"category_id":50,"category_name":51,"doc_title":59,"doc_description":61,"doc_content":131,"file_id":132,"file_url":133,"file_type":134,"file_size":135,"view_count":101,"is_deleted":4,"is_public":9,"is_downloadable":9,"audit_status":9,"page_count":73,"language":136,"language_code":57,"site_id":56,"html_lang":57,"table_of_contents":137,"faqs":138,"seo_title":139,"seo_description":61,"update_tm":140,"read_time":9},2336474466412,"https://ap-avatar.wpscdn.com/davatar_155a257f0dc6eb9ab79c44ca47cae57d","IPv4 Addresses and IPv4 Subnetting  \nby Gokhan Kosem, [www.ipcisco.com](www.ipcisco.com)  \n\n| CIDR | SUBNET MASK | ADDRESSES | WILDCARD MASK |\n| --- | --- | --- | --- |\n| /32 | 255.255.255. 255 | 1 | 0.0.0.0 |\n| /31 | 255.255.255. 254 | 2 | 0.0.0.1 |\n| /30 | 255.255.255. 252 | 4 | 0.0.0.3 |\n| /29 | 255.255.255. 248 | 8 | 0.0.0.7 |\n| /28 | 255.255.255. 240 | 16 | [0.0.0.15](0.0.0.15) |\n| /27 | 255.255.255. 224 | 32 | [0.0.0.31](0.0.0.31) |\n| /26 | 255.255.255. 192 | 64 | [0.0.0.63](0.0.0.63) |\n| /25 | 255.255.255. 128 | 128 | [0.0.0.127](0.0.0.127) |\n| /24 | [255.255.255.0](255.255.255.0) | 256 | [0.0.0.255](0.0.0.255) |\n| /23 | [255.255.254.0](255.255.254.0) | 512 | [0.0.1.255](0.0.1.255) |\n| /22 | [255.255.252.0](255.255.252.0) | 1024 | [0.0.3.255](0.0.3.255) |\n| /21 | [255.255.248.0](255.255.248.0) | 2048 | [0.0.7.255](0.0.7.255) |\n| /20 | [255.255.240.0](255.255.240.0) | 4096 | [0.0.15.255](0.0.15.255) |\n| /19 | [255.255.224.0](255.255.224.0) | 8192 | [0.0.31.255](0.0.31.255) |\n| /18 | [255.255.192.0](255.255.192.0) | 16384 | [0.0.63.255](0.0.63.255) |\n| /17 | [255.255.128.0](255.255.128.0) | 32768 | [0.0.127.255](0.0.127.255) |\n| /16 | [255.255.0.0](255.255.0.0) | 65536 | [0.0.255.255](0.0.255.255) |\n| /15 | [255.254.0.0](255.254.0.0) | 131072 | [0.1.255.255](0.1.255.255) |\n| /14 | [255.252.0.0](255.252.0.0) | 262144 | [0.3.255.255](0.3.255.255) |\n| /13 | [255.248.0.0](255.248.0.0) | 524288 | [0.7.255.255](0.7.255.255) |\n| /12 | [255.240.0.0](255.240.0.0) | 1048576 | [0.15.255.255](0.15.255.255) |\n| /11 | [255.224.0.0](255.224.0.0) | 2097152 | [0.31.255.255](0.31.255.255) |\n| /10 | [255.192.0.0](255.192.0.0) | 4194304 | [0.63.255.255](0.63.255.255) |\n| /9 | [255.128.0.0](255.128.0.0) | 8388608 | [0.127.255.255](0.127.255.255) |\n| /8 | [255.0.0.0](255.0.0.0) | 16777216 | [0.255.255.255](0.255.255.255) |\n| /7 | [254.0.0.0](254.0.0.0) | 33554432 | 1 .255.255.255 |\n| /6 | [252.0.0.0](252.0.0.0) | 67108864 | 3 .255.255.255 |\n| /5 | [248.0.0.0](248.0.0.0) | 134217728 | 7 .255.255.255 |\n| /4 | [240.0.0.0](240.0.0.0) | 268435456 | 15. 255.255.255 |\n| /3 | [224.0.0.0](224.0.0.0) | 536870912 | 31. 255.255.255 |\n| /2 | [192.0.0.0](192.0.0.0) | 1073741824 | 63. 255.255.255 |\n| /1 | [128.0.0.0](128.0.0.0) | 2147483648 | 127. 255.255.255 |\n| /0 | 0.0.0.0 | 4294967296 | 255. 255.255.255 |\n\n\n| Classful IPv4 Addresses |  |\n| --- | --- |\n| Class A | 0.0.0.0-[127.255.255.255](127.255.255.255) |\n| Class B | [128.0.0.0](128.0.0.0)-[191.255.255.255](191.255.255.255) |\n| Class C | [192.0.0.0](192.0.0.0)-[223.255.255.255](223.255.255.255) |\n| Class D | [224.0.0.0](224.0.0.0)-[239.255.255.255](239.255.255.255) |\n| Class E | [240.0.0.0](240.0.0.0)-[255.255.255.255](255.255.255.255) |\n| Private IPv4 Addresses |  |\n| [10.0.0.0](10.0.0.0)-[10.255.255.255](10.255.255.255) |  |\n| [172.16.0.0](172.16.0.0)-[172.31.255.255](172.31.255.255) |  |\n| [192.168.0.0](192.168.0.0)-[192.168.255.255](192.168.255.255) |  |\n| Special IPv4 Addresses |  |\n| Local Host | [127.0.0.0](127.0.0.0)-[127.255.255.255](127.255.255.255) |\n| APIPA | [169.254.0.0](169.254.0.0)-[169.254.255.255](169.254.255.255) |\n| Bogon IPv4 Addresses |  |\n| 0.0.0.0/8 | This network |\n| [10.0.0.0/8](10.0.0.0/8) | Private IPv4 Address Block |\n| [100.64.0.0/10](100.64.0.0/10) | Carrier-grade NAT |\n| [127.0.0.0/8](127.0.0.0/8) | Loopback |\n| [127.0.53.53](127.0.53.53) | Name collision occurrence |\n| [169.254.0.0/16](169.254.0.0/16) | Link local |\n| [172.16.0.0/12](172.16.0.0/12) | Private IPv4 Address Block |\n| [192.0.0.0/24](192.0.0.0/24) | IETF protocol assignments |\n| [192.0.2.0/24](192.0.2.0/24) | TEST-NET-1 |\n| [192.168.0.0/16](192.168.0.0/16) | Private IPv4 Address Block |\n| [198.18.0.0/15](198.18.0.0/15) | Network benchmark testing |\n| [198.51.100.0/24](198.51.100.0/24) | TEST-NET-2 |\n| [203.0.113.0/24](203.0.113.0/24) | TEST-NET-3 |\n| [224.0.0.0/4](224.0.0.0/4) | Multicast |\n| [240.0.0.0/4](240.0.0.0/4) | Reserved |\n| [255.255.255.255/32](255.255.255.255/32) | Limited broadcast |\n| [www.ipcis","cbCaiuFV7NvnmA5o","https://ap.wps.com/l/cbCaiuFV7NvnmA5o","pdf",213381,"English","# IPv4 Addressing and Subnetting\n## CIDR, Subnet Mask, Addresses, Wildcard Mask\n## Classful IPv4 Address Ranges\n## Private and Special IPv4 Addresses\n## Decimal to Binary Table","[{\"question\":\"How do CIDR prefixes map to subnet masks, addresses, and wildcard masks?\",\"answer\":\"The sheet lists each CIDR prefix with its corresponding subnet mask, the number of addresses in the subnet, and the wildcard mask used for matching ranges.\"},{\"question\":\"Which IPv4 address ranges are treated as private in IPv4 networking?\",\"answer\":\"It lists the private IPv4 blocks 10.0.0.0/8, 172.16.0.0/12, and 192.168.0.0/16.\"},{\"question\":\"What special-purpose IPv4 ranges are included beyond private addresses?\",\"answer\":\"It covers localhost (loopback), APIPA, and multiple bogon or reserved/test ranges such as 192.0.2.0/24 and TEST-NET networks, along with multicast and limited broadcast.\"}]","Subnetting Cheat Sheet - IPv4 Addressing and Subnetting | PDF",1791924208]