On Sat, 10 Sep 2016, Joe wrote: > > - From your question I'm not sure this is the answer you are looking > > for, but I'll give it a try. According to RFC 1918 [1], the following > > address ranges are reserved for "private use": > > > > 10.0.0.0 - 10.255.255.255 (10/8 prefix) > > 172.16.0.0 - 172.31.255.255 (172.16/12 prefix) > > 192.168.0.0 - 192.168.255.255 (192.168/16 prefix) > > > > Note that this is for IPV4, IPV6 is probably a bit more complex :-) > > > There are a lot more reserved for other unspecified reasons. The list > of more than 165,000 address blocks here http://software77.net/geo-ip/ > contains quite a few listed 'reserved'. The list is frequently updated.
https://tools.ietf.org/html/rfc6890 http://www.iana.org/assignments/iana-ipv4-special-registry/iana-ipv4-special-registry.xhtml http://www.iana.org/assignments/ipv4-address-space/ipv4-address-space.xhtml These are canonical and authoritative. IPv6 has them, too: http://www.iana.org/assignments/iana-ipv6-special-registry/iana-ipv6-special-registry.xhtml http://www.iana.org/assignments/ipv6-address-space/ipv6-address-space.xhtml There are also the registries for multicast space, etc. -- Henrique Holschuh
