IP WHOIS Lookup
Look up registration and network information for IP addresses using WHOIS
IP Whois
United States Department of Defense (DoD) DREN-EXT (NET-140-27-0-0-1) 140.27.0.0 - 140.27.255.255 DoD Network Information Center DREN-EXT (NET-140-27-0-0-2) 140.27.0.0 - 140.27.255.255