Data as of Nov 13, 2026

12.240.0.0/12

No anonymizer space

AT&T Enterprises, LLC

Announcement

this exact prefix

RPKI valid

Announced by

AS7018

Type

Business

Residential-proxy exits

Proxy exits

346

0.03% of its addresses · listed by providers

Always-on exits

5.5% of its exits

Spread

255 of 4,096

/24s with at least one exit

Providers

103

selling exits here

/24s with the most always-on exits

/24	Always-on exits	Proxy exits
12.244.224.0/24	2	2
12.244.141.0/24	1	2
12.251.73.0/24	1	2
12.249.36.0/24	1	2
12.251.61.0/24	1	1
12.251.151.0/24	1	1
12.250.189.0/24	1	1
12.252.177.0/24	1	1
12.248.193.0/24	1	1
12.244.47.0/24	1	1
12.245.211.0/24	1	1
12.251.253.0/24	1	1
12.244.109.0/24	1	1
12.250.216.0/24	1	1
12.246.21.0/24	1	1
12.244.66.0/24	1	1
12.249.210.0/24	1	1
12.244.85.0/24	1	1
12.251.50.0/24	0	11
12.248.98.0/24	0	10
12.250.18.0/24	0	5
12.245.40.0/24	0	5
12.252.194.0/24	0	4
12.251.23.0/24	0	4

Proxy providers listing exits

711Proxy
9Proxy
ASHBURNPROXIES
Ake.net
AnyIP
B2Proxy
BESTPROXY_NET
BirdProxies
BlurPath
BottingTools
Bright Data
ByteProxies
Byteful
CatProxies
CliProxy
ColaProxy
CoreProxy
DataImpulse
Decodo
EZProxies
EnigmaProxy
FLEETPROXY
FastProxy
FlashProxy
FlexyProxies
FloppyData
GSocks
GeekProxy
Geonode
GloryCloud
GonzoProxy
HPROXY
HideProxy
IP2WORLD
IPCola
IPFly
IPMUSK
IPPeak
IPROCKET_BASIC
IPROCKET_PREMIUM
IPRoyal
Infatica
InfiniteProxies
KocerRoxy
Kookey
LemonBright
LudaxProxy
MagneticProxy
MangoProxy
MarsProxies
MoMoProxy
MrScraper
NextProxy
NodeMaven
NodeProxy
NovProxy
NovaProxy
Novada
Oxylabs
PROXYSCRAPE
PSBProxy
PYPROXY
PacketStream
PrivateByte
PrivateProxy
ProxiesVision
Proxiware
Proxmint
Proxy-Seller
Proxy302
Proxy4U
ProxyEmpire
ProxyGeo
ProxyRack
ProxyWing
Proxying
Proxyma
PuraRoute
Q2IP
RainProxy
RapidProxy
RealProxy
RoamProxy
RolaProxy
SPYDERPROXY_BASIC
SPYDERPROXY_PREMIUM
Shifter
SpyderProxy
StrikeProxy
SwiftProxy
TORCHPROXIES_BASIC
TORCHPROXIES_PREMIUM
TORCHPROXIES_X
Thordata
ThunderProxy
TrueProxies
VProxy
VantageProxies
VitalExclusive
WealthProxies
YumiProxy
ZENPROXY_LITE
ZENPROXY_PREMIUM

Announcements

Less specific

Covering announcements

Prefix	Origin	Type	Leased from	Proxy exits	Holder	RPKI
12.128.0.0/9	AS7018	Residential	IP broker Rackdog (part)	5,373 246 always on	AT&T Enterprises, LLC
12.0.0.0/8	AS7018	Residential		13,497 535 always on	AT&T Enterprises, LLC

More specific

Announcements inside

Prefix	Origin	Type	Holder	RPKI
12.253.0.0/18 since Dec 2015	AS8030	Residential	AT&T Enterprises, LLC

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
12.0.0.0/8	16,777,216	ATT	AT&T Enterprises, LLC (AEL-360) · US	Direct Allocation	Aug 23, 1983	abuse@att.net
└ 12.247.40.0/21	2,048	ATTW-Z	SADA-PRTD Pool-IN7RAS12B (C02718445)	Reassigned	Mar 15, 2011	abuse@att.net via ATT
└ 12.247.48.0/20	4,096	ATT-NET-12-247-48-0	AT&T IP Team (AIT-52)	Reallocated	Nov 6, 2023	—
└ 12.247.64.0/21	2,048	ATTW-Z	SADA-PRTD Pool-IN7RAS3A (C02718455)	Reassigned	Mar 15, 2011	abuse@att.net via ATT
└ 12.247.68.140/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.247.68.184/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.247.72.0/21	2,048	ATTW-Z	SADA-PRTD Pool-IN7RAS3B (C02718457)	Reassigned	Mar 15, 2011	abuse@att.net via ATT
└ 12.247.80.0/21	2,048	ATT-NET-12-247-80-0	AT&T IP Team (AIT-52)	Reallocated	Aug 25, 2026	—
└ 12.247.82.56/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.247.88.0/21	2,048	ATTW-Z	SADA-PRTD Pool-IN7RAS3D (C02718459)	Reassigned	Mar 15, 2011	abuse@att.net via ATT
└ 12.247.95.36/30	4	ATT-NET-12-247-95-36-30	unknown	—	—	—
└ 12.247.96.0/20	4,096	NET-12-247-96-0-1	AT&T IP Team (AIT-52)	Reallocated	Nov 10, 2023	—
└ 12.247.105.24/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.247.105.240/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.247.108.116/30	4	ATT-12-247-108-116	unknown	—	—	—
└ 12.247.112.0/21	2,048	NET-12-247-112-0-1	AT&T IP Team (AIT-52)	Reallocated	Nov 10, 2023	—
└ 12.247.112.52/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.247.115.100/30	4	ATT-12-247-115-100	unknown	—	—	—
└ 12.247.120.0/21	2,048	ATTW-Z	SADA-PRTD Pool-IN7RAS4D (C02718466)	Reassigned	Mar 15, 2011	abuse@att.net via ATT
└ 12.247.128.0/21	2,048	ATT-NET-12-247-128-0	AT&T IP Team (AIT-52)	Reallocated	Aug 25, 2026	—
└ 12.247.133.152/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.247.136.0/21	2,048	ATTW-Z	SADA-PRTD Pool-IN7RAS6B (C02720907)	Reassigned	Mar 18, 2011	abuse@att.net via ATT
└ 12.247.140.36/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.247.140.44/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.247.144.0/20	4,096	ATTW-Z	SADA-PRTD Pool-IN7RAS46C (C02720908)	Reassigned	Mar 18, 2011	abuse@att.net via ATT
└ 12.247.160.0/21	2,048	ATTW-Z	SADA-PRTD Pool-IN7RAS7A (C02720909)	Reassigned	Mar 18, 2011	abuse@att.net via ATT
└ 12.247.168.0/21	2,048	ATTW-Z	SADA-PRTD Pool-IN7RAS7B (C02720910)	Reassigned	Mar 18, 2011	abuse@att.net via ATT
└ 12.247.176.0/21	2,048	ATT-NET-12-247-176-0	AT&T IP Team (AIT-52)	Reallocated	Aug 25, 2026	—
└ 12.247.182.144/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.247.184.0/21	2,048	ATTW-Z	SADA-PRTD Pool-IN7RAS7D (C02720914)	Reassigned	Mar 18, 2011	abuse@att.net via ATT
└ 12.247.192.0/20	4,096	ATTW-Z	SADA-PRTD Pool-IN7RAS8A (C02720915)	Reassigned	Mar 18, 2011	abuse@att.net via ATT
└ 12.247.206.48/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.247.206.60/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.247.206.124/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.247.207.60/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.247.207.96/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.247.208.0/20	4,096	ATTW-Z	SADA-PRTD Pool-IN7RAS8C (C02720919)	Reassigned	Mar 18, 2011	abuse@att.net via ATT
└ 12.247.224.0/20	4,096	ATTW-Z	SADA-PRTD Pool-IN7RAS9A (C02721011)	Reassigned	Mar 18, 2011	abuse@att.net via ATT
└ 12.247.238.60/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.247.240.0/20	4,096	ATTW-Z	SADA-PRTD Pool-IN7RAS9C (C02721016)	Reassigned	Mar 18, 2011	abuse@att.net via ATT
└ 12.248.0.0/21	2,048	ATT-NET-12-248-0-0	AT&T IP Team (AIT-52)	Reallocated	Aug 25, 2026	—
└ 12.248.0.212/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.8.0/21	2,048	ATTW-092409152946	CFWN Pool-NMPL2 (C02324872)	Reassigned	Sep 24, 2009	abuse@att.net via ATT
└ 12.248.9.4/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.9.40/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.9.112/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.9.116/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.9.144/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.13.100/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.16.0/20	4,096	ATTW-092409152947	CFWN Pool-NMPL3 (C02324873)	Reassigned	Sep 24, 2009	abuse@att.net via ATT
└ 12.248.19.60/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.19.96/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.19.100/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.19.108/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.19.212/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.19.224/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.24.60/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.24.100/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.24.116/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.28.68/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.28.76/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.28.80/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.28.96/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.28.100/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.28.104/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.28.108/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.28.120/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.32.0/20	4,096	ATTW-092409152948	CFWN Pool-NMPL4 (C02324874)	Reassigned	Sep 24, 2009	abuse@att.net via ATT
└ 12.248.48.0/20	4,096	ATT-NET-12-248-48-0	AT&T IP Team (AIT-52)	Reallocated	Aug 25, 2026	—
└ 12.248.58.76/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.58.228/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.58.248/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.59.32/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.59.36/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.59.40/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.59.48/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.59.52/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.64.0/21	2,048	ATTW-092409152951	CFWN Pool-NMPL6 (C02324876)	Reassigned	Sep 24, 2009	abuse@att.net via ATT
└ 12.248.67.112/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.70.4/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.72.0/21	2,048	ATTW-092409152952	CFWN Pool-NMPL7 (C02324919)	Reassigned	Sep 24, 2009	abuse@att.net via ATT
└ 12.248.80.0/20	4,096	NET-12-248-80-0-1	AT&T IP Team (AIT-52)	Reallocated	Nov 10, 2023	—
└ 12.248.80.56/30	4	ATT-12-248-80-56	unknown	—	—	—
└ 12.248.83.0/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.88.12/30	4	ATT-12-248-88-12	unknown	—	—	—
└ 12.248.88.20/30	4	ATT-NET-12-248-88-20-30	unknown	—	—	—
└ 12.248.95.72/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.95.92/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.96.0/20	4,096	ATT-NET-12-248-96-0	AT&T IP Team (AIT-52)	Reallocated	Aug 25, 2026	—
└ 12.248.98.0/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.98.16/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.98.20/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.98.24/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.98.28/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.98.128/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.109.172/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.109.180/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.109.188/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.109.200/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.109.204/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.109.212/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.109.216/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.109.248/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.112.0/20	4,096	ATTW-092409152957	CFWN Pool-NMPL10 (C02324883)	Reassigned	Sep 24, 2009	abuse@att.net via ATT
└ 12.248.119.0/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.119.92/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.126.32/28	16	ATT-NET-12-248-126-32-28	unknown	—	—	—
└ 12.248.128.0/21	2,048	ATTW-092409152958	CFWN Pool-NMPL11 (C02324920)	Reassigned	Sep 24, 2009	abuse@att.net via ATT
└ 12.248.136.0/21	2,048	ATT-NET-12-248-136-0	AT&T IP Team (AIT-52)	Reallocated	Aug 25, 2026	—
└ 12.248.136.24/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.136.32/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.136.44/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.136.68/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.136.76/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.136.80/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.136.116/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.141.48/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.141.96/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.141.200/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.141.204/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.141.208/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.144.0/20	4,096	ATT-NET-12-248-144-0	AT&T IP Team (AIT-52)	Reallocated	Feb 10, 2026	—
└ 12.248.153.16/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.153.28/30	4	ATT-NET-12-248-153-28-30	unknown	—	—	—
└ 12.248.153.36/30	4	ATT-NET-12-248-153-36-29	unknown	—	—	—
└ 12.248.160.0/20	4,096	ATT-NET-12-248-160-0	AT&T IP Team (AIT-52)	Reallocated	Oct 14, 2025	—
└ 12.248.170.228/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.170.232/30	4	ATT-NET-12-248-170-232-30	unknown	—	—	—
└ 12.248.174.56/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.174.60/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.174.68/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.176.0/20	4,096	ATT-NET-12-248-176-0	AT&T IP Team (AIT-52)	Reallocated	Sep 27, 2023	—
└ 12.248.177.96/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.177.100/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.185.4/30	4	ATT-NET-12-248-185-4	unknown	—	—	—
└ 12.248.187.176/30	4	ATT-NET-12-248-187-176-30	unknown	—	—	—
└ 12.248.192.0/21	2,048	ATTW-092409153005	CFWN Pool-NMPL16 (C02324887)	Reassigned	Sep 24, 2009	abuse@att.net via ATT
└ 12.248.196.116/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.196.140/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.198.88/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.198.184/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.199.180/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.199.216/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.199.224/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.200.0/21	2,048	ATTW-092409153006	CFWN Pool-NMPL17 (C02324888)	Reassigned	Sep 24, 2009	abuse@att.net via ATT
└ 12.248.206.140/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.206.160/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.206.164/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.206.196/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.206.224/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.206.232/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.206.240/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.206.244/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.206.248/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.207.204/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.208.0/20	4,096	NET-12-248-208-0-1	AT&T IP Team (AIT-52)	Reallocated	Nov 10, 2023	—
└ 12.248.215.88/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.216.72/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.216.84/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.216.100/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.216.104/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.216.112/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.216.116/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.217.4/30	4	ATT-12-248-217-4	unknown	—	—	—
└ 12.248.224.0/20	4,096	ATT-NET-12-248-224-0	AT&T IP Team (AIT-52)	Reallocated	Aug 25, 2026	—
└ 12.248.224.160/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.224.164/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.224.184/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.224.188/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.225.152/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.225.156/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.225.160/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.225.168/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.225.188/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.239.140/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.239.144/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.239.232/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.239.252/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.240.0/20	4,096	NET-12-248-240-0-1	AT&T IP Team (AIT-52)	Reallocated	Nov 10, 2023	—
└ 12.248.242.240/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.242.248/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.248.253.88/30	4	ATT-12-248-253-88-30	unknown	—	—	—
└ 12.249.0.0/21	2,048	ATTW-010810165652	CFWN Pool-NMP9L1 (C02398008)	Reassigned	Jan 8, 2010	abuse@att.net via ATT
└ 12.249.8.0/21	2,048	ATTW-010810165242	CFWN Pool-NMP9L2 (C02397928)	Reassigned	Jan 8, 2010	abuse@att.net via ATT
└ 12.249.13.152/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.249.16.0/20	4,096	NET-12-249-16-0-1	AT&T IP Team (AIT-52)	Reallocated	Nov 10, 2023	—
└ 12.249.17.8/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.249.17.172/30	4	ATT-12-249-17-172	unknown	—	—	—
└ 12.249.32.0/20	4,096	ATT-NET-12-249-32-0	AT&T IP Team (AIT-52)	Reallocated	Aug 25, 2026	—
└ 12.249.32.28/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.249.32.80/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.249.47.168/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.249.47.172/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.249.47.184/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.249.48.0/20	4,096	NET-12-249-48-0-1	AT&T IP Team (AIT-52)	Reallocated	Nov 10, 2023	—
└ 12.249.50.144/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.249.50.196/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.249.59.156/30	4	ATT-12-249-59-156	unknown	—	—	—
└ 12.249.62.128/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.249.62.144/30	4	ATT-EIPAM	unknown	—	—	—
└ 12.249.64.0/21	2,048	ATT-NET-12-249-64-0	AT&T IP Team (AIT-52)	Reallocated	Aug 25, 2026	—

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A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Origin network

AS7018

Name: AT&T Enterprises, LLC
Type: Internet provider
Registered: Jul 30, 1996
Domain: att.com
Website: www.att.com
Industry: Internet Service Provider (ISP)
Spamhaus ASN-DROP: not listed

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
12.240.0.0/12	AS7018	/12	ARIN	RPKI valid

IRR

Route objects on the exact prefix

Origin	Registry	Description	Maintainer	Modified
AS7018	ARIN	AT&T Enterprises, LLC	MNT-AEL-360	Jun 29, 2026

12.240.0.0/12

Residential-proxy exits

/24s with the most always-on exits

Proxy providers listing exits

Announcements

Covering announcements

Announcements inside

Registrations in this block

Network & registry

AS7018

Covering aggregate above, the prefix's own history below

Routing history

Route origin authorizations

Route objects on the exact prefix

Registration for this announcement

Abuse contact