# # 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: 207.252.0.0 - 207.252.255.255 CIDR: 207.252.0.0/16 NetName: CERFNET-BLK-207 NetHandle: NET-207-252-0-0-1 Parent: NET207 (NET-207-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: AT&T Enterprises, LLC (AEL-360) RegDate: 1996-11-21 Updated: 2025-03-19 Ref: https://rdap.arin.net/registry/ip/207.252.0.0 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: 2025-07-21 Ref: https://rdap.arin.net/registry/entity/AEL-360 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 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@semail.att.com OrgTechRef: https://rdap.arin.net/registry/entity/ZS44-ARIN # end # start NetRange: 207.252.136.0 - 207.252.143.255 CIDR: 207.252.136.0/21 NetName: CERF-THINC-B NetHandle: NET-207-252-136-0-1 Parent: CERFNET-BLK-207 (NET-207-252-0-0-1) NetType: Reassigned OriginAS: Organization: CERFnet customer - The Health Information Network Connection (CCHINC-1) RegDate: 1997-12-05 Updated: 1997-12-05 Ref: https://rdap.arin.net/registry/ip/207.252.136.0 OrgName: CERFnet customer - The Health Information Network Connection OrgId: CCHINC-1 Address: 1155 Avenue of the Americas City: New York StateProv: NY PostalCode: 10036 Country: US RegDate: 1997-12-05 Updated: 2011-09-24 Ref: https://rdap.arin.net/registry/entity/CCHINC-1 OrgTechHandle: CKN23-ARIN OrgTechName: No, Contact Known OrgTechPhone: +1-800-555-1234 OrgTechEmail: nobody@example.com OrgTechRef: https://rdap.arin.net/registry/entity/CKN23-ARIN OrgAbuseHandle: CKN23-ARIN OrgAbuseName: No, Contact Known OrgAbusePhone: +1-800-555-1234 OrgAbuseEmail: nobody@example.com OrgAbuseRef: https://rdap.arin.net/registry/entity/CKN23-ARIN RTechHandle: CERF-HM-ARIN RTechName: ATand T Enhanced Network Services RTechPhone: +1-858-812-5000 RTechEmail: notify@attens.com RTechRef: https://rdap.arin.net/registry/entity/CERF-HM-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. #