IP WHOIS Lookup
Look up registration and network information for IP addresses using WHOIS
IP Whois
University of Michigan UMICH-1 (NET-141-211-0-0-1) 141.211.0.0 - 141.211.255.255 University of Michigan Health System UMICH-2921 (NET-141-211-254-0-1) 141.211.254.0 - 141.211.254.255