IP WHOIS Lookup
Look up registration and network information for IP addresses using WHOIS
IP Whois
AT&T Enterprises, LLC SIS-80-11-25-2014 (NET-45-16-0-0-1) 45.16.0.0 - 45.31.255.255 MERRILL R E ASSOC SBC-45-23-21-216-29-1504155616 (NET-45-23-21-216-1) 45.23.21.216 - 45.23.21.223