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Data as of Nov 3, 2026

12.72.141.0/24

1 residential-proxy exit · 30 days

AT&T Enterprises, LLC

Announcement
12.72.136.0/21
RPKI valid
Announced by
AS20057
Type
Business
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
1
0.39% of its addresses · 30 days
Providers
5
selling exits here
Oct 4, 2026 – Nov 2, 2026

Exits seen per day

8 observations

Proxy providers listing exits

  • Byteful
  • CatProxies
  • NextProxy
  • ProxiesVision
  • ProxyGeo

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
12.72.128.0/17
since Oct 2025
AS20057Mobile7
1 always on
AT&T Enterprises, LLC
12.0.0.0/9AS7018Residential8,095
437 always on
AT&T Enterprises, LLC
12.0.0.0/8AS7018Residential13,255
715 always on
AT&T Enterprises, LLC

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
12.0.0.0/816,777,216ATTAT&T Enterprises, LLC (AEL-360) · USDirect AllocationAug 23, 1983[email protected]
└ 12.72.0.0/15131,072ATTSVC-12-72-0-0AT&T Worldnet Services (C00686968) · USReassignedOct 15, 2003[email protected]
via ATT

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
Announced by

Covering announcement 12.72.136.0/21

Prefix
12.72.136.0/21
Announced by
AS20057 AT&T Enterprises, LLC
Type
Mobile
Proxy exits
3
Always-on exits
1
RPKI
RPKI valid
Netname
ATTSVC-12-72-0-0
Registrant
AT&T Worldnet Services
RIR
ARIN
IPv4 market

Holder

Holder in the market →
Organization
AT&T Enterprises, LLC
Handle
AEL-360
Range
12.0.0.0/8
Registration type
Direct Allocation
Record created
Aug 23, 1983
Legacy
yes
Origin network

AS20057

US
Name
AT&T Enterprises, LLC
Type
Internet provider
Registered
Mar 20, 2001
Domain
att.com
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed