保留IP地址

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文章目录[隐藏]

IPv4保留地址

Special address blocks
Address block Address range Number of addresses Scope Description
0.0.0.0/8 0.0.0.0–0.255.255.255 16777216 Software Current (local, "this") network[1]
10.0.0.0/8 10.0.0.0–10.255.255.255 16777216 Private network Used for local communications within a private network[3]
100.64.0.0/10 100.64.0.0–100.127.255.255 4194304 Private network Shared address space[4] for communications between a service provider and its subscribers when using a carrier-grade NAT
127.0.0.0/8 127.0.0.0–127.255.255.255 16777216 Host Used for loopback addresses to the local host[1]
169.254.0.0/16 169.254.0.0–169.254.255.255 65536 Subnet Used for link-local addresses[5] between two hosts on a single link when no IP address is otherwise specified, such as would have normally been retrieved from a DHCP server
172.16.0.0/12 172.16.0.0–172.31.255.255 1048576 Private network Used for local communications within a private network[3]
192.0.0.0/24 192.0.0.0–192.0.0.255 256 Private network IETF Protocol Assignments, DS-Lite (/29)[1]
192.0.2.0/24 192.0.2.0–192.0.2.255 256 Documentation Assigned as TEST-NET-1, documentation and examples[6]
192.88.99.0/24 192.88.99.0–192.88.99.255 256 Internet Reserved.[7] Formerly used for IPv6 to IPv4 relay[8] (included IPv6 address block 2002::/16).
192.168.0.0/16 192.168.0.0–192.168.255.255 65536 Private network Used for local communications within a private network[3]
198.18.0.0/15 198.18.0.0–198.19.255.255 131072 Private network Used for benchmark testing of inter-network communications between two separate subnets[9]
198.51.100.0/24 198.51.100.0–198.51.100.255 256 Documentation Assigned as TEST-NET-2, documentation and examples[6]
203.0.113.0/24 203.0.113.0–203.0.113.255 256 Documentation Assigned as TEST-NET-3, documentation and examples[6]
224.0.0.0/4 224.0.0.0–239.255.255.255 268435456 Internet In use for multicast[10] (former Class D network)
233.252.0.0/24 233.252.0.0–233.252.0.255 256 Documentation Assigned as MCAST-TEST-NET, documentation and examples (Note that this is part of the above multicast space.)[10][11]
240.0.0.0/4 240.0.0.0–255.255.255.254 268435455 Internet Reserved for future use[12] (former Class E network)
255.255.255.255/32 255.255.255.255 1 Subnet Reserved for the "limited broadcast" destination address[1]

IPv6保留地址

Special address blocks
Address block (CIDR) First address Last address Number of addresses Usage Purpose
::/128 :: :: 1 Software Unspecified address
::1/128 ::1 ::1 1 Host Loopback address—a virtual interface that loops all traffic back to itself, the local host
::ffff:0:0/96 ::ffff:0.0.0.0 ::ffff:255.255.255.255 232 Software IPv4-mapped addresses
::ffff:0:0:0/96 ::ffff:0:0.0.0.0 ::ffff:0:255.255.255.255 232 Software IPv4 translated addresses
64:ff9b::/96 64:ff9b::0.0.0.0 64:ff9b::255.255.255.255 232 The global Internet IPv4/IPv6 translation[13]
64:ff9b:1::/48 64:ff9b:1:: 64:ff9b:1:ffff:ffff:ffff:ffff:ffff 280, with 248 for each IPv4 Private internets IPv4/IPv6 translation[14]
100::/64 100:: 100::ffff:ffff:ffff:ffff 264 Routing Discard prefix[15]
2001::/32 2001:: 2001::ffff:ffff:ffff:ffff:ffff:ffff 296 The global Internet Teredo tunneling[16]
2001:20::/28 2001:20:: 2001:2f:ffff:ffff:ffff:ffff:ffff:ffff 2100 Software ORCHIDv2[17]
2001:db8::/32 2001:db8:: 2001:db8:ffff:ffff:ffff:ffff:ffff:ffff 296 Documentation Addresses used in documentation and example source code[18]
2002::/16 2002:: 2002:ffff:ffff:ffff:ffff:ffff:ffff:ffff 2112 The global Internet The 6to4 addressing scheme (deprecated)[7]
fc00::/7 fc00:: fdff:ffff:ffff:ffff:ffff:ffff:ffff:ffff 2121 Private internets Unique local address[19]
fe80::/64 from fe80::/10 fe80:: fe80::ffff:ffff:ffff:ffff 264 Link Link-local address
ff00::/8 ff00:: ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff 2120 The global Internet Multicast address

IPv4里包含了常用的三类内网IP，以及一些其他保留地址，IPv6离我们还太远。。。
无意中发现了某些运营商开始分配100.64开头的IP段了。。。。。
数据来源：http://en.wikipedia.org/wiki/Reserved_IP_addresses