IP WHOIS Lookup
Look up registration and network information for IP addresses using WHOIS
IP Whois
Comcast Cable Communications, LLC CBC-CM-4 (NET-23-30-0-0-1) 23.30.0.0 - 23.31.255.255 Comcast Cable Communications, LLC NEWJERSEY-CBC-12 (NET-23-31-224-0-1) 23.31.224.0 - 23.31.239.255