IP WHOIS Lookup
Look up registration and network information for IP addresses using WHOIS
IP Whois
Cogent Communications, LLC COGENT-A (NET-38-0-0-0-1) 38.0.0.0 - 38.255.255.255 Socket Holdings Corporation SOCKET-CGNT-NET-1 (NET-38-255-128-0-1) 38.255.128.0 - 38.255.191.255