# # 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: 23.30.0.0 - 23.31.255.255 CIDR: 23.30.0.0/15 NetName: CBC-CM-4 NetHandle: NET-23-30-0-0-1 Parent: NET23 (NET-23-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: Comcast Cable Communications, LLC (CCCS) RegDate: 2012-04-30 Updated: 2021-01-25 Ref: https://rdap.arin.net/registry/ip/23.30.0.0 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 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 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 # end # start NetRange: 23.31.128.0 - 23.31.159.255 CIDR: 23.31.128.0/19 NetName: ATLANTA-CBC-26 NetHandle: NET-23-31-128-0-1 Parent: CBC-CM-4 (NET-23-30-0-0-1) NetType: Reallocated OriginAS: Organization: Comcast Cable Communications, LLC (CCCS) RegDate: 2012-11-15 Updated: 2025-04-22 Ref: https://rdap.arin.net/registry/ip/23.31.128.0 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 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 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 # end # start NetRange: 23.31.128.0 - 23.31.128.7 CIDR: 23.31.128.0/29 NetName: CUSTOMER1STCOMM NetHandle: NET-23-31-128-0-2 Parent: ATLANTA-CBC-26 (NET-23-31-128-0-1) NetType: Reassigned OriginAS: Customer: CUSTOMER 1ST COMM (C03254212) RegDate: 2012-12-19 Updated: 2013-12-06 Ref: https://rdap.arin.net/registry/ip/23.31.128.0 CustName: CUSTOMER 1ST COMM Address: 1 Unavailable Street City: NORCROSS StateProv: GA PostalCode: 30093 Country: US RegDate: 2012-12-19 Updated: 2017-11-01 Ref: https://rdap.arin.net/registry/entity/C03254212 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 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 # 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. #