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: 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

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: 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

NetRange: 12.97.226.88 - 12.97.226.95
CIDR: 12.97.226.88/29
NetName: AVANT-TE53-226-88
NetHandle: NET-12-97-226-88-1
Parent: ATT (NET-12-0-0-0-1)
NetType: Reassigned
OriginAS:
Organization: AVANT TECHNOLOGY INC (AVANT-18)
RegDate: 2009-12-11
Updated: 2009-12-11
Ref: https://rdap.arin.net/registry/ip/12.97.226.88

OrgName: AVANT TECHNOLOGY INC
OrgId: AVANT-18
Address: 828 NEW MEISTER LN #300
City: PFLUGERVILLE
StateProv: TX
PostalCode: 78660
Country: US
RegDate: 2009-12-11
Updated: 2015-05-28
Ref: https://rdap.arin.net/registry/entity/AVANT-18

OrgTechHandle: BAKER148-ARIN
OrgTechName: Baker, David
OrgTechPhone: +1-512-651-5300
OrgTechEmail: dbaker@avanttechnology.com
OrgTechRef: https://rdap.arin.net/registry/entity/BAKER148-ARIN

OrgAbuseHandle: BAKER148-ARIN
OrgAbuseName: Baker, David
OrgAbusePhone: +1-512-651-5300
OrgAbuseEmail: dbaker@avanttechnology.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/BAKER148-ARIN