United States
Direct Allocation
abuse@att.net
ipadmin@semail.att.com
rm-ipspecialist@att.com
1983-08-23
2025-12-02
| AS | Desc | Country | IPv4 NUMs | IPv6 NUMs |
|---|---|---|---|---|
| AS1299 | TWELVE99 - Arelion Sweden AB, SE |  Sweden |
394496 | 77326909440 |
| AS3257 | GTT-BACKBONE - GTT Communications Inc., US | United States |
8571136 | 468152549376 |
| AS6461 | ZAYO-6461 - Zayo Bandwidth, US | United States |
1743616 | 52076871680 |
| AS6939 | HURRICANE - Hurricane Electric LLC, US | United States |
579328 | 282631665680384 |
| AS7922 | COMCAST-7922 - Comcast Cable Communications, LLC, US | United States |
68025856 | 36318243520512 |
| AS32590 | VALVE-CORPORATION - Valve Corporation, US | United States |
12800 | 2162688 |
| AS60068 | CDN77 - Datacamp Limited, GB |  United Kingdom |
116992 | 1191444480 |
NetRange: 12.0.0.0 - 12.255.255.255 CIDR: 12.0.0.0/8 NetName: ATT NetHandle: NET-12-0-0-0-1 Parent: NET12 (NET-12-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: AT&T Enterprises, LLC (AEL-360) RegDate: 1983-08-23 Updated: 2025-12-02 Comment: IP assignments within this IP Block range are STATIC, not dynamic. Ref: https://rdap.arin.net/registry/ip/12.0.0.0 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 OrgAbuseHandle: ABUSE7-ARIN OrgAbuseName: abuse OrgAbusePhone: +1-919-319-8167 OrgAbuseEmail: abuse@att.net OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE7-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 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: ICC-ARIN OrgTechName: IP Team OrgTechPhone: +1-888-876-2382 OrgTechEmail: rm-ipspecialist@att.com OrgTechRef: https://rdap.arin.net/registry/entity/ICC-ARIN