IP WHOIS Lookup
Look up registration and network information for IP addresses using WHOIS
IP Whois
AT&T Enterprises, LLC BELLSNET-BLK8 (NET-66-20-0-0-1) 66.20.0.0 - 66.21.255.255 Complete Computers NET-66-20-212-0-1 (NET-66-20-212-0-1) 66.20.212.0 - 66.20.213.255