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: 64.0.0.0 - 64.255.255.255 organisation: ARIN status: ALLOCATED whois: whois.arin.net changed: 1999-07 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 64.107.45.5" # # Use "?" to get help. # NetRange: 64.107.0.0 - 64.107.255.255 CIDR: 64.107.0.0/16 NetName: ICN1 NetHandle: NET-64-107-0-0-1 Parent: NET64 (NET-64-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: Illinois Century Network (ILTN) RegDate: 2000-06-16 Updated: 2015-11-16 Ref: https://rdap.arin.net/registry/ip/64.107.0.0 OrgName: Illinois Century Network OrgId: ILTN Address: 120 W Jefferson Address: Suite B City: Springfield StateProv: IL PostalCode: 62702 Country: US RegDate: Updated: 2025-09-24 Ref: https://rdap.arin.net/registry/entity/ILTN ReferralServer: rwhois://rwhois.illinois.net:4321 OrgTechHandle: RESER5-ARIN OrgTechName: Reserva, Chuck OrgTechPhone: +1-217-786-8872 OrgTechEmail: chuck.reserva@illinois.gov OrgTechRef: https://rdap.arin.net/registry/entity/RESER5-ARIN OrgAbuseHandle: ICNAB-ARIN OrgAbuseName: ICN Abuse OrgAbusePhone: +1-217-524-3648 OrgAbuseEmail: doit.security@illinois.gov OrgAbuseRef: https://rdap.arin.net/registry/entity/ICNAB-ARIN OrgTechHandle: ZI83-ARIN OrgTechName: Hostmaster OrgTechPhone: +1-779-801-4071 OrgTechEmail: DoIT.ICN.Hostmasternet@illinois.gov OrgTechRef: https://rdap.arin.net/registry/entity/ZI83-ARIN OrgTechHandle: WEBST193-ARIN OrgTechName: Webster, Andrew OrgTechPhone: +1-217-558-1106 OrgTechEmail: andy.webster@illinois.gov OrgTechRef: https://rdap.arin.net/registry/entity/WEBST193-ARIN RTechHandle: ZI83-ARIN RTechName: Hostmaster RTechPhone: +1-779-801-4071 RTechEmail: DoIT.ICN.Hostmasternet@illinois.gov RTechRef: https://rdap.arin.net/registry/entity/ZI83-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. #