abuse@att.net
ipadmin@att.com
rm-ipspecialist@att.com
2026-05-12
2026-05-12
| AS | Desc | Country | IPv4 NUMs | IPv6 NUMs |
|---|---|---|---|---|
| AS7018 | ATT-INTERNET4 - AT&T Enterprises, LLC, US | 92875008 | 2306398093312 | |
| AS22974 | CHARTER-22974-MICHIGAN-DETROIT-C3 - Charter Communications LLC, US | 3584 | 18874368 |
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 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: 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 NetRange: 12.218.221.0 - 12.218.221.255 CIDR: 12.218.221.0/24 NetName: GARBER-M24-221 NetHandle: NET-12-218-221-0-1 Parent: ATT (NET-12-0-0-0-1) NetType: Reassigned OriginAS: Customer: GARBER MANAGEMENT GROUP (C11592632) RegDate: 2026-05-12 Updated: 2026-05-12 Ref: https://rdap.arin.net/registry/ip/12.218.221.0 CustName: GARBER MANAGEMENT GROUP Address: 999 S WASHINGTON AVE City: SAGINAW StateProv: MI PostalCode: 48601 Country: US RegDate: 2026-05-12 Updated: 2026-05-12 Ref: https://rdap.arin.net/registry/entity/C11592632 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: 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