Try the new whois search
To assist you with debugging problems, this whois query was received from IP Address[216.73.216.137]
% APNIC found the following authoritative answer from: 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 1997-2025, American Registry for Internet Numbers, Ltd. #
NetRange: 2001:558:: - 2001:55F:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF CIDR: 2001:558::/29 NetName: COMCAST6NET NetHandle: NET6-2001-558-1 Parent: ARIN-001 (NET6-2001-400-0) NetType: Direct Allocation OriginAS: Organization: Comcast Cable Communications, LLC (CCCS) RegDate: 2003-01-06 Updated: 2025-11-06 Comment: CC1 Comment: -----BEGIN CERTIFICATE-----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-----END CERTIFICATE----- Ref: https://rdap.arin.net/registry/ip/2001:558::
OrgName: Comcast Cable Communications, LLC OrgId: CCCS Address: 1800 Bishops Gate Blvd City: Mt Laurel StateProv: NJ PostalCode: 08054 Country: US RegDate: 2001-09-18 Updated: 2020-11-18 Ref: https://rdap.arin.net/registry/entity/CCCS
OrgRoutingHandle: ROUTI25-ARIN OrgRoutingName: Routing OrgRoutingPhone: +1-856-792-2300 OrgRoutingEmail: routing@comcast.com OrgRoutingRef: https://rdap.arin.net/registry/entity/ROUTI25-ARIN
OrgAbuseHandle: NAPO-ARIN OrgAbuseName: Network Abuse and Policy Observance OrgAbusePhone: +1-888-565-4329 OrgAbuseEmail: abuse@comcast.net OrgAbuseRef: https://rdap.arin.net/registry/entity/NAPO-ARIN
OrgTechHandle: IC161-ARIN OrgTechName: Comcast Cable Communications Inc OrgTechPhone: +1-856-792-2300 OrgTechEmail: CNIPEO-Ip-registration@cable.comcast.com OrgTechRef: https://rdap.arin.net/registry/entity/IC161-ARIN
1st level less specific
-i
Inverse attributes
All less specific
-T
Object types
1st level more specific
All more specific
Query hints
Include "AS" in front of an AS number.Example: AS4808
Include "-t" (template only) or "-v" (template and description) in front of an object name to view the templateExample: -t inetnum
Exact match only
Associated reverse domain
For more information see: