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 INTERNATIONAL BANCSHARES CORP INTERNAT22-181 (NET-12-71-181-0-1) 12.71.181.0 - 12.71.181.255