IP Address Checker

Common IP Ranges Reference

10.0.0.0/8Private (Class A) — large organizations

172.16.0.0/12Private (Class B) — mid-size networks

192.168.0.0/16Private (Class C) — home/office

127.0.0.0/8Loopback — localhost, self-reference

169.254.0.0/16Link-Local (APIPA) — auto-configuration

224.0.0.0/4Multicast — group communication

240.0.0.0/4Reserved — IETF future use

0.0.0.0/8Current network (RFC 1122)

255.255.255.255Limited broadcast