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: 161.0.0.0 - 161.255.255.255 organisation: Administered by ARIN status: LEGACY whois: whois.arin.net changed: 1993-05 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 161.129.231.25" # # Use "?" to get help. # NetRange: 161.129.224.0 - 161.129.231.255 CIDR: 161.129.224.0/21 NetName: SURFNET-FIBER NetHandle: NET-161-129-224-0-1 Parent: NET161 (NET-161-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: Surfnet Communications, Inc. (SC-578) RegDate: 2018-03-29 Updated: 2018-03-29 Ref: https://rdap.arin.net/registry/ip/161.129.224.0 OrgName: Surfnet Communications, Inc. OrgId: SC-578 Address: PO Box 66831 City: Scotts Valley StateProv: CA PostalCode: 95067 Country: US RegDate: 2013-10-11 Updated: 2024-11-25 Ref: https://rdap.arin.net/registry/entity/SC-578 OrgNOCHandle: FASUL-ARIN OrgNOCName: Fasulkey, Bob OrgNOCPhone: +1-800-651-5041 OrgNOCEmail: billing@surfnetc.com OrgNOCRef: https://rdap.arin.net/registry/entity/FASUL-ARIN OrgAbuseHandle: FASUL-ARIN OrgAbuseName: Fasulkey, Bob OrgAbusePhone: +1-800-651-5041 OrgAbuseEmail: billing@surfnetc.com OrgAbuseRef: https://rdap.arin.net/registry/entity/FASUL-ARIN OrgTechHandle: FASUL-ARIN OrgTechName: Fasulkey, Bob OrgTechPhone: +1-800-651-5041 OrgTechEmail: billing@surfnetc.com OrgTechRef: https://rdap.arin.net/registry/entity/FASUL-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. #