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networking:misc:reserved_ip

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Reserved IP addresses

http://en.wikipedia.org/wiki/Reserved_IP_addresses

CIDR Address Range Number of Addresses Routed on the public Internet Purpose
0.0.0.0/8 0.0.0.0 – 0.255.255.255 16777216 No Used for broadcast messages to the current (“this”) network as specified by RFC 1700, page 4.
10.0.0.0/8 10.0.0.0 – 10.255.255.255 16777216 No Used for local communications within a private network as specified by RFC 1918.
100.64.0.0/10 100.64.0.0 – 100.127.255.255 4194304 No Used for communications between a Service Provider and its subscribers when using a Carrier-grade NAT, as specified by RFC 6598.
127.0.0.0/8 127.0.0.0 – 127.255.255.255 16777216 No Used for loopback addresses to the local host, as specified by RFC 5735.
169.254.0.0/16 169.254.0.0 – 169.254.255.25565536 No Used for autoconfiguration 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, as specified by RFC 5735.
172.16.0.0/12 172.16.0.0 – 172.31.255.255 1048576 No Used for local communications within a private network as specified by RFC 1918
192.0.0.0/29 192.0.0.0 – 192.0.0.7 8 No Used for the DS-Lite transition mechanism as specified by RFC 6333
192.0.2.0/24 192.0.2.0 – 192.0.2.255 256 No Assigned as “TEST-NET” in RFC 5737 for use solely in documentation and example source code and should not be used publicly.
192.88.99.0/24 192.88.99.0 – 192.88.99.255 256 YesUsed by 6to4 anycast relays as specified by RFC 3068.
192.168.0.0/16 192.168.0.0 – 192.168.255.25565536 No Used for local communications within a private network as specified by RFC 1918.
198.18.0.0/15 198.18.0.0 – 198.19.255.255 131072 No Used for testing of inter-network communications between two separate subnets as specified in RFC 2544.
198.51.100.0/24 198.51.100.0 – 198.51.100.255256 No Assigned as “TEST-NET-2” in RFC 5737 for use solely in documentation and example source code and should not be used publicly.
203.0.113.0/24 203.0.113.0 – 203.0.113.255 256 No Assigned as “TEST-NET-3” in RFC 5737 for use solely in documentation and example source code and should not be used publicly.
224.0.0.0/4 224.0.0.0 – 239.255.255.255 268435456YesReserved for multicast assignments as specified in RFC 5771
240.0.0.0/4 240.0.0.0 – 255.255.255.254 268435455No Reserved for future use, as specified by RFC 5735.
255.255.255.255/32255.255.255.255 1 No Reserved for the “limited broadcast” destination address, as specified by RFC 5735.
networking/misc/reserved_ip.1376803838.txt.gz · Last modified: 2013/08/18 05:30 by 127.0.0.1