# # 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: 199.105.0.0 - 199.108.255.255 CIDR: 199.106.0.0/15, 199.105.0.0/16, 199.108.0.0/16 NetName: NETBLK-CERFNET-CBLK2 NetHandle: NET-199-105-0-0-1 Parent: NET199 (NET-199-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: AT&T Enterprises, LLC (AEL-360) RegDate: 1994-01-10 Updated: 2025-03-19 Ref: https://rdap.arin.net/registry/ip/199.105.0.0 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: 2026-06-05 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 OrgRoutingHandle: ROUTI59-ARIN OrgRoutingName: Routing POC OrgRoutingPhone: +1-999-999-9999 OrgRoutingEmail: routing_poc@att.com OrgRoutingRef: https://rdap.arin.net/registry/entity/ROUTI59-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 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 # end # start NetRange: 199.105.176.0 - 199.105.183.255 CIDR: 199.105.176.0/21 NetName: ATT-NET-199-105-176-0 NetHandle: NET-199-105-176-0-1 Parent: NETBLK-CERFNET-CBLK2 (NET-199-105-0-0-1) NetType: Reassigned OriginAS: Organization: Bloomberg, LP (BLOOMB) RegDate: 2025-01-31 Updated: 2025-01-31 Ref: https://rdap.arin.net/registry/ip/199.105.176.0 OrgName: Bloomberg, LP OrgId: BLOOMB Address: 731 Lexington Ave City: New York StateProv: NY PostalCode: 10022 Country: US RegDate: 1997-07-11 Updated: 2025-07-16 Ref: https://rdap.arin.net/registry/entity/BLOOMB OrgNOCHandle: RI19-ORG-ARIN OrgNOCName: Role, Internic-Technical OrgNOCPhone: +1-917-369-4990 OrgNOCEmail: internic-technical@bloomberg.com OrgNOCRef: https://rdap.arin.net/registry/entity/RI19-ORG-ARIN OrgTechHandle: RI19-ORG-ARIN OrgTechName: Role, Internic-Technical OrgTechPhone: +1-917-369-4990 OrgTechEmail: internic-technical@bloomberg.com OrgTechRef: https://rdap.arin.net/registry/entity/RI19-ORG-ARIN OrgAbuseHandle: RI19-ORG-ARIN OrgAbuseName: Role, Internic-Technical OrgAbusePhone: +1-917-369-4990 OrgAbuseEmail: internic-technical@bloomberg.com OrgAbuseRef: https://rdap.arin.net/registry/entity/RI19-ORG-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. #