IP Addresses

Special-Use IPv4 Addresses

Address Block	Present Use	Reference
0.0.0.0/8	“This” Network	RFC1700, page 4
10.0.0.0/8	Private-Use Networks	RFC1918
14.0.0.0/8	Public-Data Networks	RFC1700, page 181
24.0.0.0/8	Cable Television Networks	RFC3330
39.0.0.0/8	Reserved but subject to allocation	RFC1797
100.64.0.0/10	Shared address space for CGN (Carrier Grade NAT)	RFC6598
127.0.0.0/8	Loopback	RFC1700, page 5
128.0.0.0/16	Reserved but subject to allocation	RFC3330
169.254.0.0/16	Link Local	RFC3927
172.16.0.0/12	Private-Use Networks	RFC1918
191.255.0.0/16	Reserved but subject to allocation	RFC3330
192.0.0.0/24	Reserved but subject to allocation	RFC3330
192.0.2.0/24	TEST-NET-1 reserved for documentation	RFC5737
192.88.99.0/24	6to4 Relay Anycast	RFC3068
192.168.0.0/16	Private-Use Networks	RFC1918
198.18.0.0/15	Network Interconnect Device Benchmark Testing	RFC2544
198.51.100.0/24	TEST-NET-2 reserved for documentation	RFC5737
203.0.113.0/24	TEST-NET-3 reserved for documentation	RFC5737
223.255.255.0/24	Reserved but subject to allocation	RFC3330
233.252.0.0/24	Reserved as multicast addresses for documentation	RFC6676
224.0.0.0/4	Multicast	RFC3171
240.0.0.0/4	Reserved for Future Use	RFC1700, page 4

TODO

2001:db8::/32 - IPv6 unicast for documentation https://datatracker.ietf.org/doc/html/rfc3849
ff0X::db8:0:0/96 - IPv6 multicast (the value of X defines the scope of the address) for documentation https://datatracker.ietf.org/doc/rfc6676/