[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-1-en-105":3,"doc-seo-573782-105":53,"doc-detail-573782-en":126},{"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":119,"head_meta":121,"extra_data":123,"updated_unix":125},105,"en","ipv4-subnets-cheat-sheet","IPv4 SUBNETS - cheat sheet","","CIDR subnet mask quick-reference for IPv4 networking, mapping prefix lengths (/32 down to /0) to the corresponding number of addresses and wildcard usage. Includes subnet-mask binary and byte/bit sizing notes (1 byte = 8 bits, 32 bits = 4 bytes) and range tables for major address classes (A/B/C, localhost, and special-purpose ranges). Presents examples of network ranges and IP address patterns to support fast planning and troubleshooting.",{"@graph":63,"@context":118},[64,80,101],{"@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/ipv4-subnets-cheat-sheet/573782/",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/ipv4-subnets-cheat-sheet/573782.png","ImageObject",442,249,{"name":88,"@type":89},"Levi","Person",{"url":68,"name":91,"@type":92},"DocShare","Organization","application/pdf","2026-10-16","2026-10-14",true,{"@type":98,"interactionType":99,"userInteractionCount":76},"InteractionCounter",{"@type":100},"ViewAction",{"@type":102,"mainEntity":103},"FAQPage",[104,110,114],{"name":105,"@type":106,"acceptedAnswer":107},"How do I use CIDR to determine the subnet mask for an IPv4 network?","Question",{"text":108,"@type":109},"Use the CIDR prefix length (e.g., /24) and reference the matching subnet mask pattern shown in the cheat sheet. The table links prefix length to the effective mask and related wildcard behavior.","Answer",{"name":111,"@type":106,"acceptedAnswer":112},"What is the relationship between wildcard masks and subnet sizes?",{"text":113,"@type":109},"The cheat sheet provides wildcard values alongside CIDR and address counts. Using those entries, you can quickly see how much address space a subnet covers and how the wildcard corresponds to the prefix.",{"name":115,"@type":106,"acceptedAnswer":116},"What are the common IPv4 address classes and their typical ranges?",{"text":117,"@type":109},"The document lists ranges for CLASS B (172.16.0.0–172.31.255.255) and CLASS C (192.168.0.0–192.168.255.255), plus LOCALHOST (127.0.0.0–127.255.255.255) and ZEROCONF/APIPA/BONJOUR (169.254.0.0–169.254.255.255).","https://schema.org",{"og:url":78,"og:type":120,"og:title":59,"og:site_name":91,"og:description":61},"article",{"robots":122,"canonical":78},"index,follow",{"doc_id":124,"site_id":56},573782,1792087705,{"code":4,"msg":5,"data":127},{"doc_id":124,"user_id":128,"nickname":88,"user_avatar":129,"doc_module":9,"category_id":50,"category_name":51,"doc_title":59,"doc_description":61,"doc_content":130,"file_id":131,"file_url":132,"file_type":133,"file_size":134,"view_count":76,"is_deleted":4,"is_public":9,"is_downloadable":9,"audit_status":9,"page_count":9,"language":135,"language_code":57,"site_id":56,"html_lang":57,"table_of_contents":136,"faqs":137,"seo_title":138,"seo_description":61,"update_tm":139,"read_time":4},7971461740909,"https://ap-avatar.wpscdn.com/davatar_155a257f0dc6eb9ab79c44ca47cae57d","CIDR SUBNET MASK \\# OF ADDRESSES WILDCARD  \n/32  \n/31  \n/30  \n/29  \n/28  \n/27  \n/26  \n/25  \n/24  \n/23  \n/22  \n/21  \n/20  \n/19  \n/18  \n/17  \n/16  \n/15  \n/14  \n/13  \n/12  \n/11  \n/10  \n/9  \n/8  \n/7  \n/6  \n/5  \n/4  \n/3  \n/2  \n/1  \n/0  \n[255.255.255.255](255.255.255.255)[ ](255.255.255.255)[255.255.255.254](255.255.255.254)[ ](255.255.255.254)[255.255.255.252](255.255.255.252)[ ](255.255.255.252)[255.255.255.248](255.255.255.248)[ ](255.255.255.248)[255.255.255.240](255.255.255.240)[ ](255.255.255.240)[255.255.255.224](255.255.255.224)[ ](255.255.255.224)[255.255.255.192](255.255.255.192)[ ](255.255.255.192)[255.255.255.128](255.255.255.128)[ ](255.255.255.128)[255.255.255.0](255.255.255.0)[ ](255.255.255.0)[255.255.254.0](255.255.254.0)[ ](255.255.254.0)[255.255.252.0](255.255.252.0)[ ](255.255.252.0)[255.255.248.0](255.255.248.0)[ ](255.255.248.0)[255.255.240.0](255.255.240.0)[ ](255.255.240.0)[255.255.224.0](255.255.224.0)[ ](255.255.224.0)[255.255.192.0](255.255.192.0)[ ](255.255.192.0)[255.255.128.0](255.255.128.0)[ ](255.255.128.0)[255.255.0.0](255.255.0.0)[ ](255.255.0.0)[255.254.0.0](255.254.0.0)[ ](255.254.0.0)[255.252.0.0](255.252.0.0)[ ](255.252.0.0)[255.248.0.0](255.248.0.0)[ ](255.248.0.0)[255.240.0.0](255.240.0.0)[ ](255.240.0.0)[255.224.0.0](255.224.0.0)[ ](255.224.0.0)[255.192.0.0](255.192.0.0)[ ](255.192.0.0)[255.128.0.0](255.128.0.0)[ ](255.128.0.0)[255.0.0.0](255.0.0.0)[ ](255.0.0.0)[254.0.0.0](254.0.0.0)[ ](254.0.0.0)[252.0.0.0](252.0.0.0)[ ](252.0.0.0)[248.0.0.0](248.0.0.0)[ ](248.0.0.0)[240.0.0.0](240.0.0.0)[ ](240.0.0.0)[224.0.0.0](224.0.0.0)[ ](224.0.0.0)[192.0.0.0](192.0.0.0)[ ](192.0.0.0)[128.0.0.0](128.0.0.0)[ ](128.0.0.0)0.0.0.0  \n1  \n248163264128256512  \n1,024 2,048 4,096 8,192 16,384 32,768 65,536 131,072 262,144  \n524,288 1,048,576 2,097,152 4,194,304 8,388,608 16,777,216 33,554,432 67,108,864 134,217,728 268,435,456 536,870,912 1,073,741,824 2,147,483,648 4,294,967,296  \n0.0.0.0  \n0.0.0.1  \n0.0.0.3  \n0.0.0.7  \n[0.0.0.15](0.0.0.15)[ ](0.0.0.15)[0.0.0.31](0.0.0.31)[ ](0.0.0.31)[0.0.0.63](0.0.0.63)[ ](0.0.0.63)[0.0.0.127](0.0.0.127)[ ](0.0.0.127)[0.0.0.255](0.0.0.255)[ ](0.0.0.255)[0.0.1.255](0.0.1.255)[ ](0.0.1.255)[0.0.3.255](0.0.3.255)[ ](0.0.3.255)[0.0.7.255](0.0.7.255)[ ](0.0.7.255)[0.0.15.255](0.0.15.255)[ ](0.0.15.255)[0.0.31.255](0.0.31.255)  \n[0.0.63.255](0.0.63.255)[ ](0.0.63.255)[0.0.127.255](0.0.127.255)[ ](0.0.127.255)[0.0.255.255](0.0.255.255)[ ](0.0.255.255)[0.1.255.255](0.1.255.255)[ ](0.1.255.255)[0.3.255.255](0.3.255.255)[ ](0.3.255.255)[0.7.255.255](0.7.255.255)[ ](0.7.255.255)[0.15.255.255](0.15.255.255)[ ](0.15.255.255)[0.31.255.255](0.31.255.255)[ ](0.31.255.255)[0.63.255.255](0.63.255.255)[ ](0.63.255.255)[0.127.255.255](0.127.255.255)[ ](0.127.255.255)[0.255.255.255](0.255.255.255)[ ](0.255.255.255)[1.255.255.255](1.255.255.255)[ ](1.255.255.255)[3.255.255.255](3.255.255.255)[ ](3.255.255.255)[7.255.255.255](7.255.255.255)[ ](7.255.255.255)[15.255.255.255](15.255.255.255)[ ](15.255.255.255)[31.255.255.255](31.255.255.255)[ ](31.255.255.255)[63.255.255.255](63.255.255.255)[ ](63.255.255.255)[127.255.255.255](127.255.255.255)[ ](127.255.255.255)[255.255.255.255](255.255.255.255)  \n172 . 16 . 254 . 1  \n10101100 .00010000 .11111110 .00000001  \n1 byte = 8 bits  \n32 bits (4 x 8), or 4 bytes  \n| B | [128.0.0.0](128.0.0.0) | – | [191.255.255.255](191.255.255.255) |\n| --- | --- | --- | --- |\n| C | [192.0.0.0](192.0.0.0) | – | [223.255.255.255](223.255.255.255) |\n| D | [224.0.0.0](224.0.0.0) | – | [239.255.255.255](239.255.255.255) |\n| E | [240.0.0.0](240.0.0.0) | – | [255.255.255.255](255.255.255.255) |\n\nCLASS B [172.16.0.0](172.16.0.0) – [172.31.255.255](172.31.255.255)  \nCLASS C [192.168.0.0](192.168.0.0) – [192.168.255.255](192.168.255.255)  \nLOCALHOST [127.0.0.0](127.0.0.0) – [127.255.255.255](127.255.255.255)  \nZEROCONF  \n(APIPA/BONJOUR)  \n[169.254.0.0](169.254.0.0) – [169.254.255.255](169.254.255.255)","cbCaidbEcSzNnluF","https://ap.wps.com/l/cbCaidbEcSzNnluF","pdf",2299766,"English","# CIDR prefix to subnet mask\n## Addresses and wildcard mapping\n# IPv4 address ranges\n## Address classes and special-purpose ranges","[{\"question\":\"How do I use CIDR to determine the subnet mask for an IPv4 network?\",\"answer\":\"Use the CIDR prefix length (e.g., /24) and reference the matching subnet mask pattern shown in the cheat sheet. The table links prefix length to the effective mask and related wildcard behavior.\"},{\"question\":\"What is the relationship between wildcard masks and subnet sizes?\",\"answer\":\"The cheat sheet provides wildcard values alongside CIDR and address counts. Using those entries, you can quickly see how much address space a subnet covers and how the wildcard corresponds to the prefix.\"},{\"question\":\"What are the common IPv4 address classes and their typical ranges?\",\"answer\":\"The document lists ranges for CLASS B (172.16.0.0–172.31.255.255) and CLASS C (192.168.0.0–192.168.255.255), plus LOCALHOST (127.0.0.0–127.255.255.255) and ZEROCONF/APIPA/BONJOUR (169.254.0.0–169.254.255.255).\"}]","IPv4 SUBNETS - cheat sheet | PDF",1791945934]