LAYER3 INTEL
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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
19
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

/24Always-on exitsProxy exits
12.244.224.0/2422
12.244.141.0/2412
12.251.73.0/2412
12.249.36.0/2412
12.251.61.0/2411
12.251.151.0/2411
12.250.189.0/2411
12.252.177.0/2411
12.248.193.0/2411
12.244.47.0/2411
12.245.211.0/2411
12.251.253.0/2411
12.244.109.0/2411
12.250.216.0/2411
12.246.21.0/2411
12.244.66.0/2411
12.249.210.0/2411
12.244.85.0/2411
12.251.50.0/24011
12.248.98.0/24010
12.250.18.0/2405
12.245.40.0/2405
12.252.194.0/2404
12.251.23.0/2404

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

PrefixOriginTypeLeased fromProxy exitsHolderRPKI
12.128.0.0/9AS7018ResidentialIP broker Rackdog (part)5,373
246 always on
AT&T Enterprises, LLC
12.0.0.0/8AS7018Residential13,497
535 always on
AT&T Enterprises, LLC
More specific

Announcements inside

PrefixOriginTypeHolderRPKI
12.253.0.0/18
since Dec 2015
AS8030ResidentialAT&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.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
12.0.0.0/816,777,216ATTAT&T Enterprises, LLC (AEL-360) · USDirect AllocationAug 23, 1983abuse@att.net
12.249.68.96/30
under 12.249.64.0/21
4ATT-EIPAMunknown———
12.249.69.68/30
under 12.249.64.0/21
4ATT-EIPAMunknown———
12.249.69.224/30
under 12.249.64.0/21
4ATT-EIPAMunknown———
12.249.69.228/30
under 12.249.64.0/21
4ATT-EIPAMunknown———
12.249.69.232/30
under 12.249.64.0/21
4ATT-EIPAMunknown———
12.249.69.236/30
under 12.249.64.0/21
4ATT-EIPAMunknown———
12.249.69.240/30
under 12.249.64.0/21
4ATT-EIPAMunknown———
12.249.69.248/30
under 12.249.64.0/21
4ATT-EIPAMunknown———
12.249.69.252/30
under 12.249.64.0/21
4ATT-EIPAMunknown———
└ 12.249.72.0/212,048ATTW-010810165249CFWN Pool-NMP9L7 (C02397933)ReassignedJan 8, 2010abuse@att.net
via ATT
└ 12.249.73.120/304ATT-NET-12-249-73-120-30unknown———
└ 12.249.73.156/304ATT-EIPAMunknown———
└ 12.249.80.0/204,096ATTW-010810165250CFWN Pool-NMP9L8 (C02397935)ReassignedJan 8, 2010abuse@att.net
via ATT
└ 12.249.88.88/304ATT-EIPAMunknown———
└ 12.249.88.192/304ATT-EIPAMunknown———
└ 12.249.96.0/204,096ATTW-010810165251AT&T IP Team (AIT-52)ReallocatedDec 21, 2022—
└ 12.249.107.92/304ATT-NET-12-249-107-92unknown———
└ 12.249.112.0/204,096ATT-NET-12-249-112-0AT&T IP Team (AIT-52)ReallocatedAug 25, 2026—
└ 12.249.120.212/304ATT-EIPAMunknown———
└ 12.249.126.132/304ATT-EIPAMunknown———
└ 12.249.126.188/304ATT-EIPAMunknown———
└ 12.249.126.212/304ATT-EIPAMunknown———
└ 12.249.128.0/212,048ATTW-010810165254CFWN Pool-NMP9L11 (C02397937)ReassignedJan 8, 2010abuse@att.net
via ATT
└ 12.249.136.0/212,048ATTW-010810165255CFWN Pool-NMP9L12 (C02397938)ReassignedJan 8, 2010abuse@att.net
via ATT
└ 12.249.140.8/304ATT-EIPAMunknown———
└ 12.249.140.52/304ATT-EIPAMunknown———
└ 12.249.140.68/304ATT-EIPAMunknown———
└ 12.249.140.88/304ATT-EIPAMunknown———
└ 12.249.143.8/304ATT-EIPAMunknown———
└ 12.249.143.184/304ATT-EIPAMunknown———
└ 12.249.144.0/204,096ATT-NET-12-249-144-0AT&T IP Team (AIT-52)ReallocatedAug 25, 2026—
└ 12.249.146.32/304ATT-EIPAMunknown———
└ 12.249.146.36/304ATT-EIPAMunknown———
└ 12.249.146.40/304ATT-EIPAMunknown———
└ 12.249.146.44/304ATT-EIPAMunknown———
└ 12.249.146.56/304ATT-EIPAMunknown———
└ 12.249.146.108/304ATT-EIPAMunknown———
└ 12.249.146.112/304ATT-EIPAMunknown———
└ 12.249.146.116/304ATT-EIPAMunknown———
└ 12.249.146.120/304ATT-EIPAMunknown———
└ 12.249.146.124/304ATT-EIPAMunknown———
└ 12.249.146.236/304ATT-EIPAMunknown———
└ 12.249.148.32/304ATT-EIPAMunknown———
└ 12.249.148.36/304ATT-EIPAMunknown———
└ 12.249.148.40/304ATT-EIPAMunknown———
└ 12.249.148.52/304ATT-EIPAMunknown———
└ 12.249.148.56/304ATT-EIPAMunknown———
└ 12.249.148.60/304ATT-EIPAMunknown———
└ 12.249.151.32/304ATT-EIPAMunknown———
└ 12.249.151.76/304ATT-EIPAMunknown———
└ 12.249.151.80/304ATT-EIPAMunknown———
└ 12.249.151.88/304ATT-EIPAMunknown———
└ 12.249.151.112/304ATT-EIPAMunknown———
└ 12.249.153.20/304ATT-EIPAMunknown———
└ 12.249.154.252/304ATT-EIPAMunknown———
└ 12.249.156.68/304ATT-EIPAMunknown———
└ 12.249.160.0/204,096ATT-NET-12-249-160-0AT&T IP Team (AIT-52)ReallocatedAug 25, 2026—
└ 12.249.170.36/304ATT-EIPAMunknown———
└ 12.249.170.40/304ATT-EIPAMunknown———
└ 12.249.170.80/304ATT-EIPAMunknown———
└ 12.249.170.88/304ATT-EIPAMunknown———
└ 12.249.170.92/304ATT-EIPAMunknown———
└ 12.249.176.0/204,096ATT-NET-12-249-176-0AT&T IP Team (AIT-52)ReallocatedAug 25, 2026—
└ 12.249.176.192/304ATT-EIPAMunknown———
└ 12.249.176.240/304ATT-EIPAMunknown———
└ 12.249.179.248/304ATT-EIPAMunknown———
└ 12.249.180.196/304ATT-EIPAMunknown———
└ 12.249.180.224/304ATT-EIPAMunknown———
└ 12.249.182.140/304ATT-EIPAMunknown———
└ 12.249.182.168/304ATT-EIPAMunknown———
└ 12.249.191.60/304ATT-EIPAMunknown———
└ 12.249.192.0/212,048ATT-NET-12-249-192-0AT&T IP Team (AIT-52)ReallocatedAug 25, 2026—
└ 12.249.192.196/304ATT-EIPAMunknown———
└ 12.249.196.20/304ATT-EIPAMunknown———
└ 12.249.196.136/304ATT-EIPAMunknown———
└ 12.249.196.148/304ATT-EIPAMunknown———
└ 12.249.196.200/304ATT-EIPAMunknown———
└ 12.249.197.92/304ATT-EIPAMunknown———
└ 12.249.200.0/212,048ATTW-010810165302CFWN Pool-NMP9L17 (C02398023)ReassignedJan 8, 2010abuse@att.net
via ATT
└ 12.249.204.128/2816ATT-NET-12-249-204-128-28unknown———
└ 12.249.208.0/204,096ATT-NET-12-249-208-0AT&T IP Team (AIT-52)ReallocatedAug 25, 2026—
└ 12.249.218.136/304ATT-EIPAMunknown———
└ 12.249.218.200/304ATT-EIPAMunknown———
└ 12.249.219.32/304ATT-EIPAMunknown———
└ 12.249.219.88/304ATT-EIPAMunknown———
└ 12.249.221.16/304ATT-EIPAMunknown———
└ 12.249.224.0/204,096ATTW-010810165305CFWN Pool-NMP9L19 (C02398025)ReassignedJan 8, 2010abuse@att.net
via ATT
└ 12.249.224.32/304ATT-EIPAMunknown———
└ 12.249.228.208/304ATT-EIPAMunknown———
└ 12.249.228.232/304ATT-EIPAMunknown———
└ 12.249.239.16/304ATT-EIPAMunknown———
└ 12.249.239.160/304ATT-EIPAMunknown———
└ 12.249.239.188/304ATT-EIPAMunknown———
└ 12.249.239.216/304ATT-EIPAMunknown———
└ 12.249.239.236/304ATT-EIPAMunknown———
└ 12.249.240.0/204,096ATT-NET-12-249-240-0AT&T IP Team (AIT-52)ReallocatedAug 25, 2026—
└ 12.249.246.0/2816ATT-NET-12-249-246-0-28unknown———
└ 12.249.251.108/304ATT-EIPAMunknown———
└ 12.250.0.0/212,048ATTW-022410095115CFWN Pool-NMP0L1 (C02430074)ReassignedFeb 24, 2010abuse@att.net
via ATT
└ 12.250.8.0/212,048ATTW-022410095116CFWN Pool-NMP0L2 (C02430073)ReassignedFeb 24, 2010abuse@att.net
via ATT
└ 12.250.16.0/204,096ATT-NET-12-250-16-0AT&T IP Team (AIT-52)ReallocatedAug 25, 2026—
└ 12.250.18.20/304ATT-EIPAMunknown———
└ 12.250.22.92/304ATT-EIPAMunknown———
└ 12.250.28.68/304ATT-EIPAMunknown———
└ 12.250.28.84/304ATT-EIPAMunknown———
└ 12.250.28.120/304ATT-EIPAMunknown———
└ 12.250.30.128/304ATT-NET-12-250-30-128-30unknown———
└ 12.250.31.72/304ATT-EIPAMunknown———
└ 12.250.31.116/304ATT-EIPAMunknown———
└ 12.250.32.0/204,096ATT-NET-12-250-32-0AT&T IP Team (AIT-52)ReallocatedAug 25, 2026—
└ 12.250.33.80/304ATT-EIPAMunknown———
└ 12.250.33.120/304ATT-EIPAMunknown———
└ 12.250.40.108/304ATT-EIPAMunknown———
└ 12.250.42.112/304ATT-EIPAMunknown———
└ 12.250.42.228/304ATT-EIPAMunknown———
└ 12.250.48.0/204,096ATTW-022410095120CFWN Pool-NMP0L5 (C02430077)ReassignedFeb 24, 2010abuse@att.net
via ATT
└ 12.250.61.192/304ATT-EIPAMunknown———
└ 12.250.64.0/212,048ATTW-022410095122CFWN Pool-NMP0L6 (C02430078)ReassignedFeb 24, 2010abuse@att.net
via ATT
└ 12.250.72.0/212,048ATT-NET-12-250-72-0AT&T IP Team (AIT-52)ReallocatedAug 25, 2026—
└ 12.250.73.224/304ATT-EIPAMunknown———
└ 12.250.79.224/304ATT-EIPAMunknown———
└ 12.250.80.0/204,096ATTW-022410095124CFWN Pool-NMP0L8 (C02430081)ReassignedFeb 24, 2010abuse@att.net
via ATT
└ 12.250.96.0/204,096ATT-NET-12-250-96-0AT&T IP Team (AIT-52)ReallocatedAug 25, 2026—
└ 12.250.98.76/304ATT-EIPAMunknown———
└ 12.250.102.92/304ATT-EIPAMunknown———
└ 12.250.102.112/304ATT-EIPAMunknown———
└ 12.250.112.0/204,096ATTW-022410095127CFWN Pool-NMP0L10 (C02430083)ReassignedFeb 24, 2010abuse@att.net
via ATT
└ 12.250.114.208/304ATT-EIPAMunknown———
└ 12.250.114.228/304ATT-EIPAMunknown———
└ 12.250.125.36/304ATT-EIPAMunknown———
└ 12.250.125.60/304ATT-EIPAMunknown———
└ 12.250.125.84/304ATT-EIPAMunknown———
└ 12.250.125.96/304ATT-EIPAMunknown———
└ 12.250.125.100/304ATT-EIPAMunknown———
└ 12.250.128.0/212,048ATTW-022410095129CFWN Pool-NMP0L11 (C02430084)ReassignedFeb 24, 2010abuse@att.net
via ATT
└ 12.250.131.132/304ATT-EIPAMunknown———
└ 12.250.132.132/304ATT-EIPAMunknown———
└ 12.250.132.180/304ATT-EIPAMunknown———
└ 12.250.137.224/304ATT-12-250-137-224unknown———
└ 12.250.143.12/304ATT-EIPAMunknown———
└ 12.250.143.60/304ATT-EIPAMunknown———
└ 12.250.143.72/304ATT-EIPAMunknown———
└ 12.250.143.116/304ATT-EIPAMunknown———
└ 12.250.143.184/304ATT-EIPAMunknown———
└ 12.250.143.204/304ATT-EIPAMunknown———
└ 12.250.144.0/204,096ATTW-022410095131CFWN Pool-NMP0L13 (C02430086)ReassignedFeb 24, 2010abuse@att.net
via ATT
└ 12.250.160.0/204,096ATTW-022410095133CFWN Pool-NMP0L14 (C02430087)ReassignedFeb 24, 2010abuse@att.net
via ATT
└ 12.250.164.208/304ATT-NET-12-250-164-208-30unknown———
└ 12.250.176.0/204,096ATTW-022410095134CFWN Pool-NMP0L15 (C02430089)ReassignedFeb 24, 2010abuse@att.net
via ATT
└ 12.250.180.136/304ATT-EIPAMunknown———
└ 12.250.187.0/304ATT-EIPAMunknown———
└ 12.250.192.0/212,048ATTW-022410095135CFWN Pool-NMP0L16 (C02430088)ReassignedFeb 24, 2010abuse@att.net
via ATT
└ 12.250.200.0/212,048ATT-NET-12-250-200-0-21AT&T IP Team (AIT-52)ReallocatedApr 9, 2026—
└ 12.250.201.236/304ATT-NET-12-250-201-236unknown———
└ 12.250.205.112/304ATT-EIPAMunknown———
└ 12.250.205.248/304ATT-EIPAMunknown———
└ 12.250.208.0/204,096ATTW-022410095138CFWN Pool-NMP0L18 (C02430093)ReassignedFeb 24, 2010abuse@att.net
via ATT
└ 12.250.224.0/204,096ATTW-022410095139CFWN Pool-NMP0L19 (C02430091)ReassignedFeb 24, 2010abuse@att.net
via ATT
└ 12.250.240.0/204,096ATT-NET-12-250-240-0AT&T IP Team (AIT-52)ReallocatedAug 25, 2026—
└ 12.250.249.132/304ATT-EIPAMunknown———
└ 12.250.249.188/304ATT-EIPAMunknown———
└ 12.250.249.236/304ATT-EIPAMunknown———
└ 12.250.251.108/304ATT-EIPAMunknown———
└ 12.250.255.92/304ATT-EIPAMunknown———
└ 12.251.0.0/212,048ATTW-012210173952CFWN Pool-NMP1L1 (C02408155)ReassignedJan 22, 2010abuse@att.net
via ATT
└ 12.251.0.64/304ATT-EIPAMunknown———
└ 12.251.8.0/212,048ATTW-012210173953CFWN Pool-NMP1L2 (C02408156)ReassignedJan 22, 2010abuse@att.net
via ATT
└ 12.251.16.0/204,096ATT-NET-12-251-16-0AT&T IP Team (AIT-52)ReallocatedAug 25, 2026—
└ 12.251.19.132/304ATT-EIPAMunknown———
└ 12.251.19.164/304ATT-EIPAMunknown———
└ 12.251.23.76/304ATT-EIPAMunknown———
└ 12.251.23.124/304ATT-EIPAMunknown———
└ 12.251.28.12/304ATT-EIPAMunknown———
└ 12.251.30.148/304ATT-EIPAMunknown———
└ 12.251.32.0/204,096ATT-NET-12-251-32-0AT&T IP Team (AIT-52)ReallocatedAug 25, 2026—
└ 12.251.34.248/304ATT-EIPAMunknown———
└ 12.251.46.36/304ATT-NET-12-251-46-36-30unknown———
└ 12.251.48.0/204,096ATTW-012210173957CFWN Pool-NMP1L5 (C02408159)ReassignedJan 22, 2010abuse@att.net
via ATT
└ 12.251.64.0/212,048ATTW-012210173959CFWN Pool-NMP1L6 (C02408480)ReassignedJan 22, 2010abuse@att.net
via ATT
└ 12.251.72.0/212,048ATTW-012210174000CFWN Pool-NMP1L7 (C02408481)ReassignedJan 22, 2010abuse@att.net
via ATT
└ 12.251.80.0/204,096ATTW-012210174001CFWN Pool-NMP1L8 (C02408482)ReassignedJan 22, 2010abuse@att.net
via ATT
└ 12.251.96.0/204,096ATTW-012210174003CFWN Pool-NMP1L9 (C02408483)ReassignedJan 22, 2010abuse@att.net
via ATT
└ 12.251.112.0/204,096ATT-NET-12-251-112-0AT&T IP Team (AIT-52)ReallocatedAug 25, 2026—
└ 12.251.115.232/304ATT-EIPAMunknown———
└ 12.251.120.196/304ATT-EIPAMunknown———
└ 12.251.120.200/304ATT-EIPAMunknown———
└ 12.251.120.208/304ATT-EIPAMunknown———
└ 12.251.120.212/304ATT-EIPAMunknown———
└ 12.251.120.228/304ATT-EIPAMunknown———
└ 12.251.128.0/212,048ATTW-012210174005CFWN Pool-NMP1L11 (C02408486)ReassignedJan 22, 2010abuse@att.net
via ATT
└ 12.251.136.0/212,048ATT-NET-12-251-136-0AT&T IP Team (AIT-52)ReallocatedAug 25, 2026—
└ 12.251.137.56/304ATT-EIPAMunknown———
└ 12.251.140.32/304ATT-EIPAMunknown———
└ 12.251.143.72/304ATT-EIPAMunknown———
└ 12.251.143.88/304ATT-EIPAMunknown———
└ 12.251.143.244/304ATT-EIPAMunknown———
└ 12.251.143.248/304ATT-EIPAMunknown———
└ 12.251.143.252/304ATT-EIPAMunknown———
└ 12.251.144.0/204,096ATT-NET-12-251-144-0AT&T IP Team (AIT-52)ReallocatedMar 13, 2025—
└ 12.251.157.132/304ATT-NET-12-251-157-132unknown———
← Previous601–800 of 987 · page 4 of 5Next →

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

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS7018

US
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