# # 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. # # start NetRange: 204.146.0.0 - 204.146.255.255 CIDR: 204.146.0.0/16 NetName: ATT-204-146-0-0-C NetHandle: NET-204-146-0-0-1 Parent: NET204 (NET-204-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: AT&T Enterprises, LLC (AEL-360) RegDate: 1994-09-12 Updated: 2024-12-05 Ref: https://rdap.arin.net/registry/ip/204.146.0.0 OrgName: AT&T Enterprises, LLC OrgId: AEL-360 Address: 208 S. Akard St. City: Dallas StateProv: TX PostalCode: 75202 Country: US RegDate: 2024-11-22 Updated: 2025-10-29 Ref: https://rdap.arin.net/registry/entity/AEL-360 OrgRoutingHandle: ROUTI59-ARIN OrgRoutingName: Routing POC OrgRoutingPhone: +1-999-999-9999 OrgRoutingEmail: DL-routing_poc@att.com OrgRoutingRef: https://rdap.arin.net/registry/entity/ROUTI59-ARIN OrgTechHandle: ZS44-ARIN OrgTechName: IPAdmin-ATT Internet Services OrgTechPhone: +1-888-510-5545 OrgTechEmail: ipadmin@att.com OrgTechRef: https://rdap.arin.net/registry/entity/ZS44-ARIN OrgAbuseHandle: ABUSE7-ARIN OrgAbuseName: abuse OrgAbusePhone: +1-919-319-8167 OrgAbuseEmail: abuse@att.net OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE7-ARIN OrgTechHandle: ICC-ARIN OrgTechName: IP Team OrgTechPhone: +1-888-876-2382 OrgTechEmail: rm-ipspecialist@att.com OrgTechRef: https://rdap.arin.net/registry/entity/ICC-ARIN # end # start NetRange: 204.146.240.0 - 204.146.255.255 CIDR: 204.146.240.0/20 NetName: LIG-TRN NetHandle: NET-204-146-240-0-1 Parent: ATT-204-146-0-0-C (NET-204-146-0-0-1) NetType: Reassigned OriginAS: Organization: Advantis (ADVANT-3) RegDate: 1995-05-01 Updated: 1997-11-05 Ref: https://rdap.arin.net/registry/ip/204.146.240.0 OrgName: Advantis OrgId: ADVANT-3 Address: 1311 Mamaroneck Ave City: White Plains StateProv: NY PostalCode: 10605 Country: US RegDate: Updated: 2024-03-14 Ref: https://rdap.arin.net/registry/entity/ADVANT-3 OrgAbuseHandle: EC18-ARIN OrgAbuseName: Cunningham, Edith OrgAbusePhone: +1-914-684-4685 OrgAbuseEmail: edithc@vnet.ibm.com OrgAbuseRef: https://rdap.arin.net/registry/entity/EC18-ARIN OrgAbuseHandle: KHL3-ARIN OrgAbuseName: Lee, Kenneth H. OrgAbusePhone: +1-914-684-4712 OrgAbuseEmail: dns@ims.advantis.com OrgAbuseRef: https://rdap.arin.net/registry/entity/KHL3-ARIN OrgAbuseHandle: MB175-ARIN OrgAbuseName: Boublik, Miroslav OrgAbusePhone: +1-650-299-8200 OrgAbuseEmail: mboublik@mercanteo.com OrgAbuseRef: https://rdap.arin.net/registry/entity/MB175-ARIN OrgTechHandle: EC18-ARIN OrgTechName: Cunningham, Edith OrgTechPhone: +1-914-684-4685 OrgTechEmail: edithc@vnet.ibm.com OrgTechRef: https://rdap.arin.net/registry/entity/EC18-ARIN OrgTechHandle: MB175-ARIN OrgTechName: Boublik, Miroslav OrgTechPhone: +1-650-299-8200 OrgTechEmail: mboublik@mercanteo.com OrgTechRef: https://rdap.arin.net/registry/entity/MB175-ARIN OrgTechHandle: KHL3-ARIN OrgTechName: Lee, Kenneth H. OrgTechPhone: +1-914-684-4712 OrgTechEmail: dns@ims.advantis.com OrgTechRef: https://rdap.arin.net/registry/entity/KHL3-ARIN RTechHandle: PS4479-ARIN RTechName: Sides, Phil RTechPhone: +1-301-962-7817 RTechEmail: altoidman@altoidman.com RTechRef: https://rdap.arin.net/registry/entity/PS4479-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 1997-2025, American Registry for Internet Numbers, Ltd. #