IP WHOIS Lookup
Look up registration and network information for IP addresses using WHOIS
IP Whois
AT&T Enterprises, LLC ATT (NET-12-0-0-0-1) 12.0.0.0 - 12.255.255.255 ATTSI, INFO TECHNOLOGYN OPERAT ATTSI-IN15-252-176 (NET-12-172-252-176-1) 12.172.252.176 - 12.172.252.183