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=== Reserved IP addresses ===

[[http://en.wikipedia.org/wiki/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 [[http://tools.ietf.org/html/rfc1700|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 [[http://tools.ietf.org/html/rfc1918|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 [[http://tools.ietf.org/html/rfc6598|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 – 169.254.255.255 |65536 |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 [[:networking:misc:rfc_5737|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 |Yes |Used by 6to4 anycast relays as specified by RFC 3068. |
|192.168.0.0/16 |192.168.0.0 – 192.168.255.255 |65536 |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 – 198.51.100.255 |256 |No |**//Assigned as "TEST-NET-2" in [[:networking:misc:rfc_5737|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 [[:networking:misc:rfc_5737|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 |268435456 |Yes |Reserved for multicast assignments as specified in RFC 5771 |
|240.0.0.0/4 |240.0.0.0 – 255.255.255.254 |268435455 |No |Reserved for future use, as specified by RFC 5735. |
|255.255.255.255/32 |255.255.255.255 |1 |No |Reserved for the "limited broadcast" destination address, as specified by RFC 5735. |

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