RFC 1918 - Private IPV4 Addresses

RFC 1918 - Private IPV4 Addresses

The Internet Assigned Numbers Authority (IANA) has reserved the following three blocks of the IP address space for private internets:
  • 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)