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: 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

NetRange: 12.189.131.0 - 12.189.131.127
CIDR: 12.189.131.0/25
NetName: MARRIOTT952-131-0
NetHandle: NET-12-189-131-0-1
Parent: ATT (NET-12-0-0-0-1)
NetType: Reassigned
OriginAS:
Organization: MARRIOTT CORPORATIONATTN JOH (MCJ-454)
RegDate: 2018-10-26
Updated: 2018-10-26
Ref: https://rdap.arin.net/registry/ip/12.189.131.0

OrgName: MARRIOTT CORPORATIONATTN JOH
OrgId: MCJ-454
Address: 15160 QUORUM DR
City: ADDISON
StateProv: TX
PostalCode: 75001
Country: US
RegDate: 2018-10-26
Updated: 2018-10-26
Ref: https://rdap.arin.net/registry/entity/MCJ-454

OrgTechHandle: JILLF45-ARIN
OrgTechName: Jill, Facciolla
OrgTechPhone: +1-408-370-4510
OrgTechEmail: tps.sjccb.gm@marriott.com
OrgTechRef: https://rdap.arin.net/registry/entity/JILLF45-ARIN

OrgAbuseHandle: JILLF45-ARIN
OrgAbuseName: Jill, Facciolla
OrgAbusePhone: +1-408-370-4510
OrgAbuseEmail: tps.sjccb.gm@marriott.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/JILLF45-ARIN