Summary

NetName
ATT
OrgName
AT&T Enterprises, LLC
CIDR
RIR

ARIN

Country

Status

Direct Allocation

Abuse

abuse@att.net

Contact

ipadmin@att.com

rm-ipspecialist@att.com

RegDate

1983-08-23

Updated

2025-12-02

Routing

AS Desc Country IPv4 NUMs IPv6 NUMs
AS852 ASN852 - TELUS Communications Inc., CA Canada 4736768 12907118592
AS1299 TWELVE99 - Arelion Sweden AB, SE Sweden 395008 77326843904
AS3223 VOXILITY - Voxility LLP, GB United Kingdom 69888 18481152
AS3303 SWISSCOM - Swisscom (Schweiz) AG, CH Switzerland 3554816 204347408384
AS4230 CLARO S.A., BR Brazil 5155584 21475098624
AS6453 AS6453 - TATA COMMUNICATIONS (AMERICA) INC, US United States 507392 55834705920
AS6461 ZAYO-6461 - Zayo Bandwidth, US United States 1673728 52076871680
AS6939 HURRICANE - Hurricane Electric LLC, US United States 580864 282631665680384
AS8220 COLT - COLT Technology Services Group Limited, GB United Kingdom 1495808 25770590208
AS14537 CL-1379-14537 - Continent 8 LLC, US United States 66048 12884901888
AS17676 ULTINA - SoftBank Mobile Corp., JP Japan 37667328 18695992639488
AS19151 BBO-1 - BroadbandONE, LLC, US United States 31488 4294967296
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20992 4294967296
AS30600 AS-CMN - Metronet, US United States 368128 1108101562368
AS32590 VALVE-CORPORATION - Valve Corporation, US United States 12800 2162688
AS33891 CORE-BACKBONE - Core-Backbone GmbH, DE Germany 0 0
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 115712 352458178560
AS53828 NITEL - NETWORK INNOVATIONS, LLC, US United States 132096 4294967296
AS60068 CDN77 - Datacamp Limited, GB United Kingdom 116992 1191444480
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 104960 77403783168
AS199524 GCORE - G-Core Labs S.A., LU Luxembourg 124128 112721920
AS398465 RACKDOG-LLC - Rackdog, LLC, US United States 194304 107642617856

Whois

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:  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

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