Special Use IPv4 Addresses
Address Block Present Use Reference ------------------------------------------------------------------ 0.0.0.0/8 "This" Network RFC 1122, Section 3.2.1.3 10.0.0.0/8 Private-Use Networks RFC 1918 127.0.0.0/8 Loopback RFC 1122, Section 3.2.1.3 169.254.0.0/16 Link Local RFC 3927 172.16.0.0/12 Private-Use Networks RFC 1918 192.0.0.0/24 IETF Protocol Assignments RFC 5736 192.0.2.0/24 TEST-NET-1 RFC 5737 192.88.99.0/24 6to4 Relay Anycast RFC 3068 192.168.0.0/16 Private-Use Networks RFC 1918 198.18.0.0/15 Network Interconnect Device Benchmark Testing RFC 2544 198.51.100.0/24 TEST-NET-2 RFC 5737 203.0.113.0/24 TEST-NET-3 RFC 5737 224.0.0.0/4 Multicast RFC 3171 240.0.0.0/4 Reserved for Future Use RFC 1112, Section 4 255.255.255.255/32 Limited Broadcast RFC 919, Section 7 RFC 922, Section 7
https://tools.ietf.org/html/rfc5735