IP WHOIS Lookup
Look up registration and network information for IP addresses using WHOIS
IP Whois
NetRange: 66.71.224.0 - 66.71.239.255 CIDR: 66.71.224.0/20 NetName: COGENT-ANET-0003 NetHandle: NET-66-71-224-0-1 Parent: NET66 (NET-66-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: Cogent Communications, LLC (COGC) RegDate: 2005-06-01 Updated: 2012-03-02 Ref: https://rdap.arin.net/registry/ip/66.71.224.0 OrgName: Cogent Communications, LLC OrgId: COGC Address: 2450 N Street NW City: Washington StateProv: DC PostalCode: 20037 Country: US RegDate: 2000-05-30 Updated: 2025-09-23 Comment: Geofeed https://geofeed.cogentco.com/geofeed.csv Ref: https://rdap.arin.net/registry/entity/COGC ReferralServer: rwhois://rwhois.cogentco.com:4321 OrgAbuseHandle: COGEN-ARIN OrgAbuseName: Cogent Abuse OrgAbusePhone: +1-877-875-4311 OrgAbuseEmail: abuse@cogentco.com OrgAbuseRef: https://rdap.arin.net/registry/entity/COGEN-ARIN OrgNOCHandle: ZC108-ARIN OrgNOCName: Cogent Communications OrgNOCPhone: +1-877-875-4311 OrgNOCEmail: noc@cogentco.com OrgNOCRef: https://rdap.arin.net/registry/entity/ZC108-ARIN OrgTechHandle: IPALL-ARIN OrgTechName: IP Allocation OrgTechPhone: +1-877-875-4311 OrgTechEmail: ipalloc@cogentco.com OrgTechRef: https://rdap.arin.net/registry/entity/IPALL-ARIN