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: 208.0.0.0 - 208.255.255.255 organisation: ARIN status: ALLOCATED whois: whois.arin.net changed: 1996-04 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 208.78.220.65" # # Use "?" to get help. # NetRange: 208.78.216.0 - 208.78.223.255 CIDR: 208.78.216.0/21 NetName: ZC38-BLOCK8 NetHandle: NET-208-78-216-0-1 Parent: NET208 (NET-208-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: zColo (ZGL-6) RegDate: 2007-05-30 Updated: 2018-04-06 Ref: https://rdap.arin.net/registry/ip/208.78.216.0 OrgName: zColo OrgId: ZGL-6 Address: 1805 29th St Suite 2050 Address: Databank Holdings City: Boulder StateProv: CO PostalCode: 80301 Country: US RegDate: 2018-01-09 Updated: 2021-10-26 Ref: https://rdap.arin.net/registry/entity/ZGL-6 ReferralServer: rwhois://rwhois.corexchange.com:4321 OrgAbuseHandle: ZCOLO-ARIN OrgAbuseName: ZCOLO OrgAbusePhone: +1-571-450-1165 OrgAbuseEmail: networking@databank.com OrgAbuseRef: https://rdap.arin.net/registry/entity/ZCOLO-ARIN OrgNOCHandle: ZCOLO-ARIN OrgNOCName: ZCOLO OrgNOCPhone: +1-571-450-1165 OrgNOCEmail: networking@databank.com OrgNOCRef: https://rdap.arin.net/registry/entity/ZCOLO-ARIN OrgTechHandle: ZCOLO-ARIN OrgTechName: ZCOLO OrgTechPhone: +1-571-450-1165 OrgTechEmail: networking@databank.com OrgTechRef: https://rdap.arin.net/registry/entity/ZCOLO-ARIN OrgTechHandle: POINT3-ARIN OrgTechName: Point of Contact OrgTechPhone: +1-855-328-2247 OrgTechEmail: networking@databank.com OrgTechRef: https://rdap.arin.net/registry/entity/POINT3-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. #