# # 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 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 OrgTechHandle: IPALL-ARIN OrgTechName: IP Allocation OrgTechPhone: +1-877-875-4311 OrgTechEmail: ipalloc@cogentco.com OrgTechRef: https://rdap.arin.net/registry/entity/IPALL-ARIN # end # start NetRange: 2600:2:110:: - 2600:2:11F:FFFF:FFFF:FFFF:FFFF:FFFF CIDR: 2600:2:110::/44 NetName: LUMEN NetHandle: NET6-2600-2-110-1 Parent: COGENT-6NET-0005 (NET6-2600-2) NetType: Reassigned OriginAS: Organization: Cloudfitters (MK-99) RegDate: 2021-12-10 Updated: 2025-02-26 Ref: https://rdap.arin.net/registry/ip/2600:2:110:: OrgName: Cloudfitters OrgId: MK-99 Address: 500 Park BLVD City: CHICAGO StateProv: IL PostalCode: 60143 Country: US RegDate: 2020-11-24 Updated: 2025-03-21 Comment: https://sitefitters.com/ Comment: Standard NOC hours : 8am -7 pm CST Ref: https://rdap.arin.net/registry/entity/MK-99 OrgRoutingHandle: CNT9-ARIN OrgRoutingName: Cloudfitters NOC Team OrgRoutingPhone: +1-847-250-7356 OrgRoutingEmail: support@sitefitters.com OrgRoutingRef: https://rdap.arin.net/registry/entity/CNT9-ARIN OrgDNSHandle: CNT9-ARIN OrgDNSName: Cloudfitters NOC Team OrgDNSPhone: +1-847-250-7356 OrgDNSEmail: support@sitefitters.com OrgDNSRef: https://rdap.arin.net/registry/entity/CNT9-ARIN OrgAbuseHandle: CNT9-ARIN OrgAbuseName: Cloudfitters NOC Team OrgAbusePhone: +1-847-250-7356 OrgAbuseEmail: support@sitefitters.com OrgAbuseRef: https://rdap.arin.net/registry/entity/CNT9-ARIN OrgTechHandle: CNT9-ARIN OrgTechName: Cloudfitters NOC Team OrgTechPhone: +1-847-250-7356 OrgTechEmail: support@sitefitters.com OrgTechRef: https://rdap.arin.net/registry/entity/CNT9-ARIN OrgNOCHandle: CNT9-ARIN OrgNOCName: Cloudfitters NOC Team OrgNOCPhone: +1-847-250-7356 OrgNOCEmail: support@sitefitters.com OrgNOCRef: https://rdap.arin.net/registry/entity/CNT9-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