WHOIS
Lookup an IP or domain. Uses IANA referral first, then registry WHOIS.
### IANA response (whois.iana.org) % IANA WHOIS server % for more information on IANA, visit http://www.iana.org % This query returned 1 object refer: whois.arin.net inetnum: 72.0.0.0 - 72.255.255.255 organisation: ARIN status: ALLOCATED whois: whois.arin.net changed: 2004-08 source: IANA ### Registry response (whois.arin.net) # # ARIN WHOIS data and services are subject to the Terms of Use # available at: https://www.arin.net/resources/registry/whois/tou/ # # If you see inaccuracies in the results, please report at # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/ # # Copyright 1997-2026, American Registry for Internet Numbers, Ltd. # # # Query terms are ambiguous. The query is assumed to be: # "n 72.249.143.212" # # Use "?" to get help. # NetRange: 72.249.0.0 - 72.249.191.255 CIDR: 72.249.128.0/18, 72.249.0.0/17 NetName: COLO4-BLK2 NetHandle: NET-72-249-0-0-1 Parent: NET72 (NET-72-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: TierPoint, LLC (TL-801) RegDate: 2006-08-25 Updated: 2024-03-19 Ref: https://rdap.arin.net/registry/ip/72.249.0.0 OrgName: TierPoint, LLC OrgId: TL-801 Address: 12444 Powerscourt Drive Suite 450 City: St. Louis StateProv: MO PostalCode: 63131 Country: US RegDate: 2017-01-18 Updated: 2024-07-23 Ref: https://rdap.arin.net/registry/entity/TL-801 ReferralServer: rwhois://rwhois.tierpoint.net:4321 OrgTechHandle: JEREM7-ARIN OrgTechName: Bussard, Jeremy A OrgTechPhone: +1-410-369-3900 OrgTechEmail: jeremy.bussard@tierpoint.com OrgTechRef: https://rdap.arin.net/registry/entity/JEREM7-ARIN OrgAbuseHandle: TIERP2-ARIN OrgAbuseName: Tierpoint Abuse OrgAbusePhone: +1-844-200-8718 OrgAbuseEmail: abuse@tierpoint.com OrgAbuseRef: https://rdap.arin.net/registry/entity/TIERP2-ARIN OrgNOCHandle: TIERP3-ARIN OrgNOCName: Tierpoint NOC OrgNOCPhone: +1-844-200-8718 OrgNOCEmail: support@tierpoint.com OrgNOCRef: https://rdap.arin.net/registry/entity/TIERP3-ARIN OrgTechHandle: CZUMB2-ARIN OrgTechName: Czumbil, Romeo OrgTechPhone: +1-610-994-3046 OrgTechEmail: romeo.czumbil@tierpoint.com OrgTechRef: https://rdap.arin.net/registry/entity/CZUMB2-ARIN OrgDNSHandle: CZUMB2-ARIN OrgDNSName: Czumbil, Romeo OrgDNSPhone: +1-610-994-3046 OrgDNSEmail: romeo.czumbil@tierpoint.com OrgDNSRef: https://rdap.arin.net/registry/entity/CZUMB2-ARIN # # ARIN WHOIS data and services are subject to the Terms of Use # available at: https://www.arin.net/resources/registry/whois/tou/ # # If you see inaccuracies in the results, please report at # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/ # # Copyright 1997-2026, American Registry for Internet Numbers, Ltd. #