IP WHOIS Lookup
Look up registration and network information for IP addresses using WHOIS
IP Whois
Cogent Communications, LLC COGENT-216-205-144 (NET-216-205-144-0-1) 216.205.144.0 - 216.205.159.255 Tier.Net Technologies LLC TIER-NET-CGNT-NET-12 (NET-216-205-148-0-1) 216.205.148.0 - 216.205.151.255