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Adds an encapsulation overhead reference table covering GRE and several tunneling/encapsulation methods.",{"@graph":14,"@context":73},[15,34,56],{"@type":16,"itemListElement":17},"BreadcrumbList",[18,23,27,31],{"item":19,"name":20,"@type":21,"position":22},"https://docshare.wps.com","Home","ListItem",1,{"item":24,"name":25,"@type":21,"position":26},"https://docshare.wps.com/template/","Template",2,{"item":28,"name":29,"@type":21,"position":30},"https://docshare.wps.com/template/general/","General",3,{"item":32,"name":10,"@type":21,"position":33},"https://docshare.wps.com/template/ipv4-cheat-sheet-ipv4-cidr-subnet-mask-special-ip-notes/571402/",4,{"url":32,"name":10,"@type":35,"image":36,"author":41,"headline":10,"publisher":44,"fileFormat":47,"inLanguage":8,"description":12,"dateModified":48,"datePublished":49,"encodingFormat":47,"isAccessibleForFree":50,"interactionStatistic":51},"DigitalDocument",{"url":37,"@type":38,"width":39,"height":40},"https://docshare.wps.com/thumbnails/ipv4-cheat-sheet-ipv4-cidr-subnet-mask-special-ip-notes/571402.png","ImageObject",442,249,{"name":42,"@type":43},"River 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203.0.113.0/24).",{"name":70,"@type":61,"acceptedAnswer":71},"What encapsulation overhead values are provided?",{"text":72,"@type":64},"It provides a table of protocol encapsulation overheads in bytes, including GRE, 6 in 4, 4 in 6, IP-IP, MPLS per label, 802.1Q, Q in Q, VXLAN, OTV, LISP (IPv4/IPv6), and NVGRE.","https://schema.org",{"og:url":32,"og:type":75,"og:title":10,"og:site_name":45,"og:description":12},"article",{"robots":77,"canonical":32},"index,follow",{"doc_id":79,"site_id":7},571402,1792164835,{"code":4,"msg":82,"data":83},"success",[84,89,94,99,104,109,114,119,124],{"id":85,"doc_module":22,"doc_module_name":25,"category_name":86,"show_sort_weight":87,"slug":88},11,"Presentations",90,"presentations",{"id":90,"doc_module":22,"doc_module_name":25,"category_name":91,"show_sort_weight":92,"slug":93},12,"Resumes",80,"resumes",{"id":95,"doc_module":22,"doc_module_name":25,"category_name":96,"show_sort_weight":97,"slug":98},14,"Invoices",70,"invoices",{"id":100,"doc_module":22,"doc_module_name":25,"category_name":101,"show_sort_weight":102,"slug":103},15,"Posters",60,"posters",{"id":105,"doc_module":22,"doc_module_name":25,"category_name":106,"show_sort_weight":107,"slug":108},16,"Social 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[128.0.0.0](128.0.0.0) | [127.255.255.255](127.255.255.255) | 2,147,483,648 |\n| /2 | [192.0.0.0](192.0.0.0). | [63.255.255.255](63.255.255.255) | 1,073,741,824 |\n| /3 | [224.0.0.0](224.0.0.0) | [31.255.255.255](31.255.255.255) | 536,870,912 |\n| /4 | [240.0.0.0](240.0.0.0) | [15.255.255.255](15.255.255.255) | 268,435,456 |\n| /5 | [248.0.0.0](248.0.0.0) | [7.255.255.255](7.255.255.255) | 134,217,728 |\n| /6 | [252.0.0.0](252.0.0.0) | [3.255.255.255](3.255.255.255) | 67,108,864 |\n| /7 | [254.0.0.0](254.0.0.0) | [1.255.255.255](1.255.255.255) | 33,554,432 |\n| /8 | [255.0.0.0](255.0.0.0) | [0.255.255.255](0.255.255.255) | 16,777,216 |\n| /9 | [255.128.0.0](255.128.0.0) | [0.127.255.255](0.127.255.255) | 8,388,608 |\n| /10 | [255.192.0.0](255.192.0.0) | [0.63.255.255](0.63.255.255) | 4,194,304 |\n| /11 | [255.224.0.0](255.224.0.0) | [0.31.255.255](0.31.255.255) | 2,097,152 |\n| /12 | [255.240.0.0](255.240.0.0) | [0.15.255.255](0.15.255.255) | 1,048,576 |\n| /13 | [255.248.0.0](255.248.0.0) | [0.7.255.255](0.7.255.255). | 524,288 |\n| /14 | [255.252.0.0](255.252.0.0) | [0.3.255.255](0.3.255.255) | 262,144 |\n| /15 | 255.254.0,0 | [0.1.255.255](0.1.255.255) | 131,072 |\n| /16 | [255.255.0.0](255.255.0.0) | [0.0.255.255](0.0.255.255) | 65,536 |\n| /17 | [255.255.128.0](255.255.128.0) | [0.0.127.255](0.0.127.255) | 32,768 |\n| /18 | [255.255.192.0](255.255.192.0) | [0.0.63.255](0.0.63.255) | 16,384 |\n| /19 | [255.255.224.0](255.255.224.0) | [0.0.31.255](0.0.31.255) | 8,192 |\n| /20 | [255.255.240.0](255.255.240.0) | [0.0.15.255](0.0.15.255) | 4,096 |\n| /21 | [255.255.248.0](255.255.248.0) | [0.0.7.255](0.0.7.255) | 2,048 |\n| /22 | [255.255.252.0](255.255.252.0) | [0.0.3.255](0.0.3.255) | 1,024 |\n| /23 | [255.255.254.0](255.255.254.0) | [0.0.1.255](0.0.1.255) | 512 |\n| /24 | [255.255.255.0](255.255.255.0) | [0.0.0.255](0.0.0.255) | 256 |\n| /25 | [255.255.255.128](255.255.255.128) | [0.0.0.127](0.0.0.127) | 128 |\n| /26 | [255.255.255.192](255.255.255.192) | [0.0.0.63](0.0.0.63) | 64 |\n| /27 | [255.255.255.224](255.255.255.224) | [0.0.0.31](0.0.0.31) | 32 |\n| /28 | [255.255.255.240](255.255.255.240) | [0.0.0.15](0.0.0.15) | 16 |\n| /29 | [255.255.255.248](255.255.255.248) | 0.0.0.7 | 8 |\n| /30 | [255.255.255.252](255.255.255.252) | 0.0.0.3 | 4 |\n| /31 | [255.255.255.254](255.255.255.254) | 0.0.0.1 | 2 |\n| /32 | [255.255.255.255](255.255.255.255) | 0.0.0.0 | 1 |\n\n\n| Notable IP Subnets |  |\n| --- | --- |\n| Note | IP Range |\n| RFC 1918 | [10.0.0.0/8](10.0.0.0/8) |\n| RFC 1918 | 172.16.0.0/12 |\n| RFC 1918 | [192.168.0.0/16](192.168.0.0/16) |\n| Loopback | [127.0.0.0/8](127.0.0.0/8) |\n| Link Local | [169.254.0.0/16](169.254.0.0/16) |\n| CG-NAT | [100.64.0.0/10](100.64.0.0/10) |\n| Documentation | [192.0.2.0/24](192.0.2.0/24) |\n| Documentation | [198.51.100.0/24](198.51.100.0/24) |\n| Documentation | [203.0.113.0/24](203.0.113.0/24) |\n\n\n| Notable Multicast Addresses |  |\n| --- | --- |\n| OSPF All Routers | [224.0.0.5](224.0.0.5) |\n| OSPF Designated | [224.0.0.6](224.0.0.6) |\n| RIP 2 Routers | [224.0.0.9](224.0.0.9) |\n| EIGRP Routers | [224.0.0.10](224.0.0.10) |\n| VRRP | [224.0.0.18](224.0.0.18) |\n| HSRP / GLBP | [224.0.0.102](224.0.0.102) |\n\n\n| Encapsulation Overhead |  |\n| --- | --- |\n| Protocol | Bytes |\n| GRE | 24 |\n| 6 in 4 | 20 |\n| 4 in 6 | 40 |\n| IP-IP | 20 |\n| MPLS (per label in stack) | 4 |\n| 802.1Q | 4 |\n| Q in Q | 8 |\n| VXLAN | 50 |\n| OTV | 42 |\n| LISP (IPv4) | 36 |\n| LISP (IPv6) | 56 |\n| NVGRE | 42 |\n\nConnectivity Specialists  \nDedicated Internet-IP Transit SD-WAN – SASE – SD Internet Private WAN – Wavelength- Dark Fiber SIP Trunks – PSTN Replacement Colocation  \n[connect@fullspansolutions.com](connect@fullspansolutions.com)  \n[www.fullspansolutions.com](www.fullspansolutions.com)","cbCaiuoI7wGVs8RM","https://ap.wps.com/l/cbCaiuoI7wGVs8RM","pdf",188269,"English","# CIDR Subnet Mask & Wildcard Mask\n## Prefix Lengths (/0–/32) and Address Counts\n# Notable IP Subnets (RFC and Special Ranges)\n# Notable Multicast Addresses\n# Encapsulation Overhead (Protocol Bytes)","[{\"question\":\"How does the document map CIDR prefix lengths to subnet masks and wildcard masks?\",\"answer\":\"For each CIDR prefix length from /0 to /32, it lists the corresponding subnet mask and wildcard mask along with the number of addresses in that range.\"},{\"question\":\"Which IPv4 ranges are highlighted as notable subnets?\",\"answer\":\"It highlights RFC 1918 private ranges (10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16), loopback (127.0.0.0/8), link-local (169.254.0.0/16), CG-NAT (100.64.0.0/10), and documentation ranges (192.0.2.0/24, 198.51.100.0/24, 203.0.113.0/24).\"},{\"question\":\"What encapsulation overhead values are provided?\",\"answer\":\"It provides a table of protocol encapsulation overheads in bytes, including GRE, 6 in 4, 4 in 6, IP-IP, MPLS per label, 802.1Q, Q in Q, VXLAN, OTV, LISP (IPv4/IPv6), and NVGRE.\"}]","IPv4-Cheat-Sheet - IPv4 CIDR Subnet Mask & Special IP Notes | PDF",1791915944]