# # 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. # # start NetRange: 2600:: - 2600:F:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF CIDR: 2600::/28 NetName: COGENT-6NET-0005 NetHandle: NET6-2600-2 Parent: NET6-2600 (NET6-2600-1) NetType: Direct Allocation OriginAS: Organization: Cogent Communications, LLC (COGC) RegDate: 2006-12-21 Updated: 2025-12-23 Ref: https://rdap.arin.net/registry/ip/2600:: OrgName: Cogent Communications, LLC OrgId: COGC Address: 2450 N Street NW City: Washington StateProv: DC PostalCode: 20037 Country: US RegDate: 2000-05-30 Updated: 2025-09-23 Comment: Geofeed https://geofeed.cogentco.com/geofeed.csv Ref: https://rdap.arin.net/registry/entity/COGC ReferralServer: rwhois://rwhois.cogentco.com:4321 OrgTechHandle: IPALL-ARIN OrgTechName: IP Allocation OrgTechPhone: +1-877-875-4311 OrgTechEmail: ipalloc@cogentco.com OrgTechRef: https://rdap.arin.net/registry/entity/IPALL-ARIN OrgNOCHandle: ZC108-ARIN OrgNOCName: Cogent Communications OrgNOCPhone: +1-877-875-4311 OrgNOCEmail: noc@cogentco.com OrgNOCRef: https://rdap.arin.net/registry/entity/ZC108-ARIN OrgAbuseHandle: COGEN-ARIN OrgAbuseName: Cogent Abuse OrgAbusePhone: +1-877-875-4311 OrgAbuseEmail: abuse@cogentco.com OrgAbuseRef: https://rdap.arin.net/registry/entity/COGEN-ARIN # end # start NetRange: 2600:2:103:: - 2600:2:103:FFFF:FFFF:FFFF:FFFF:FFFF CIDR: 2600:2:103::/48 NetName: SPRINTLINK NetHandle: NET6-2600-2-103-1 Parent: COGENT-6NET-0005 (NET6-2600-2) NetType: Reassigned OriginAS: Organization: Charles River Operation (JC-328) RegDate: 2021-08-14 Updated: 2021-08-14 Ref: https://rdap.arin.net/registry/ip/2600:2:103:: OrgName: Charles River Operation OrgId: JC-328 Address: 6 Liberty Sq., Ste. 170 City: Boston StateProv: MA PostalCode: 02109 Country: US RegDate: 2016-04-04 Updated: 2018-05-01 Comment: http://www.endoffice.com Ref: https://rdap.arin.net/registry/entity/JC-328 OrgAbuseHandle: COPSO-ARIN OrgAbuseName: Copson, Jay OrgAbusePhone: +1-978-344-2656 OrgAbuseEmail: support@endoffice.com OrgAbuseRef: https://rdap.arin.net/registry/entity/COPSO-ARIN OrgNOCHandle: COPSO-ARIN OrgNOCName: Copson, Jay OrgNOCPhone: +1-978-344-2656 OrgNOCEmail: support@endoffice.com OrgNOCRef: https://rdap.arin.net/registry/entity/COPSO-ARIN OrgTechHandle: COPSO-ARIN OrgTechName: Copson, Jay OrgTechPhone: +1-978-344-2656 OrgTechEmail: support@endoffice.com OrgTechRef: https://rdap.arin.net/registry/entity/COPSO-ARIN # end # # 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. # Found a referral to rwhois.cogentco.com:4321. %rwhois V-1.5:0010b0:00 rwhois.cogentco.com (CGNT rwhoisd 1.2.1) %error 230 No objects found