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 72.4.186.25" # # Use "?" to get help. # NetRange: 72.4.176.0 - 72.4.191.255 CIDR: 72.4.176.0/20 NetName: CAL-NET-INC-10 NetHandle: NET-72-4-176-0-1 Parent: NET72 (NET-72-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: Cal.net, Inc. (CALNE-88) RegDate: 2008-06-10 Updated: 2022-03-24 Ref: https://rdap.arin.net/registry/ip/72.4.176.0 OrgName: Cal.net, Inc. OrgId: CALNE-88 Address: 4101 Wild Chaparral Dr City: Shingle Springs StateProv: CA PostalCode: 95682 Country: US RegDate: 2011-06-24 Updated: 2025-02-28 Ref: https://rdap.arin.net/registry/entity/CALNE-88 OrgAbuseHandle: CALNE-ARIN OrgAbuseName: CALNET-ABUSE OrgAbusePhone: +1-530-672-1078 OrgAbuseEmail: abuse@corp.cal.net OrgAbuseRef: https://rdap.arin.net/registry/entity/CALNE-ARIN OrgTechHandle: ITDEP47-ARIN OrgTechName: IT Department OrgTechPhone: +1-530-672-1078 OrgTechEmail: dl-engineering@corp.cal.net OrgTechRef: https://rdap.arin.net/registry/entity/ITDEP47-ARIN OrgNOCHandle: ITDEP47-ARIN OrgNOCName: IT Department OrgNOCPhone: +1-530-672-1078 OrgNOCEmail: dl-engineering@corp.cal.net OrgNOCRef: https://rdap.arin.net/registry/entity/ITDEP47-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. #