yyyyyyyyyyyyyyyyyyyy

博客园 首页 新随笔 联系 订阅 管理

 

Reserved IP addresses

From Wikipedia, the free encyclopedia
 
 

In the Internet addressing architecture, the Internet Engineering Task Force (IETF) and the Internet Assigned Numbers Authority (IANA) have reserved various Internet Protocol (IP) addresses for special purposes.

 

 

Contents

IPv4[edit]

Address block (CIDR)RangeNumber of addressesScopePurpose
0.0.0.0/8 0.0.0.0 –
0.255.255.255
16,777,216 Software Used for broadcast messages to the current ("this")[1]
10.0.0.0/8 10.0.0.0 –
10.255.255.255
16,777,216 Private network Used for local communications within a private network[2]
100.64.0.0/10 100.64.0.0 –
100.127.255.255
4,194,304 Private network Used for communications between a service provider and its subscribers when using a carrier-grade NAT[3]
127.0.0.0/8 127.0.0.0 –
127.255.255.255
16,777,216 Host Used for loopback addresses to the local host[4]
169.254.0.0/16 169.254.0.0 –
169.254.255.255
65,536 Subnet Used for link-local addresses 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[5]
172.16.0.0/12 172.16.0.0 –
172.31.255.255
1,048,576 Private network Used for local communications within a private network[2]
192.0.0.0/24 192.0.0.0 –
192.0.0.255
256 Private network Used for the IANA IPv4 Special Purpose Address Registry[6]
192.0.2.0/24 192.0.2.0 –
192.0.2.255
256 Documentation Assigned as "TEST-NET" for use in documentation and examples. It should not be used publicly.[7]
192.88.99.0/24 192.88.99.0 –
192.88.99.255
256 Internet Used by 6to4 anycast relays[8]
192.168.0.0/16 192.168.0.0 –
192.168.255.255
65,536 Private network Used for local communications within a private network[2]
198.18.0.0/15 198.18.0.0 –
198.19.255.255
131,072 Private network Used for 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" for use in documentation and examples. It should not be used publicly.[7]
203.0.113.0/24 203.0.113.0 –
203.0.113.255
256 Documentation Assigned as "TEST-NET-3" for use in documentation and examples. It should not be used publicly.[7]
224.0.0.0/4 224.0.0.0 –
239.255.255.255
268,435,455 Internet Reserved for muticast[10]
240.0.0.0/4 240.0.0.0 –
255.255.255.254
268,435,455 Internet Reserved for future use[11]
255.255.255.255/32 255.255.255.255 1 Subnet Reserved for the "limited broadcast" destination address[11]

IPv6[edit]

Address block (CIDR)RangeNumber of addressesScopePurpose
::/128 :: 1 Software Unspecified address
::1/128 ::1 1 Host Loopback address to the local host.
::ffff:0:0/96 ::ffff:0.0.0.0 –
::ffff:255.255.255.255
232 Software IPv4 mapped addresses
100::/64 100:: –
100::ffff:ffff:ffff:ffff
264   Discard prefix RFC 6666
64:ff9b::/96 64:ff9b::0.0.0.0 –
64:ff9b::255.255.255.255
232 Global Internet[12] IPv4/IPv6 translation (RFC 6052)
2001::/32 2001:: –
2001::ffff:ffff:ffff:ffff:ffff:ffff
296 Global Teredo tunneling
2001:10::/28 2001:10:: –
2001:1f:ffff:ffff:ffff:ffff:ffff:ffff
2100 Software Deprecated (previously ORCHID)
2001:20::/28 2001:20:: –
2001:2f:ffff:ffff:ffff:ffff:ffff:ffff
2100 Software ORCHIDv2
2001:db8::/32 2001:db8:: –
2001:db8:ffff:ffff:ffff:ffff:ffff:ffff
296 Documentation Addresses used in documentation and example source code
2002::/16 2002:: –
2002:ffff:ffff:ffff:ffff:ffff:ffff:ffff
2112 Global Internet 6to4
fc00::/7 fc00:: –
fdff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
2121 Private network Unique local address
fe80::/10 fe80:: –
febf:ffff:ffff:ffff:ffff:ffff:ffff:ffff
2118 Link Link-local address
ff00::/8 ff00:: –
ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
2120 Global Internet Multicast address
     
         
         
         
         
         
         
         
         
         
         
         
         
         
posted on 2016-12-16 01:58  xxxxxxxx1x2xxxxxxx  阅读(673)  评论(0编辑  收藏  举报