IP WHOIS Lookup
Look up registration and network information for IP addresses using WHOIS
IP Whois
Cogent Communications, LLC COGENT-207-12-0 (NET-207-12-0-0-1) 207.12.0.0 - 207.15.255.255 SIERRA CIRCUITS SPRINTLINK (NET-207-15-6-0-1) 207.15.6.0 - 207.15.6.255