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 CALIFORNIA ACADEMY OF SCIENCE CALIFORN34-20-0 (NET-12-189-20-0-1) 12.189.20.0 - 12.189.20.127