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Data as of Nov 3, 2026

12.239.136.0/24

1 residential-proxy exit · 30 days

AT&T Enterprises, LLC

Announcement
this exact prefix
RPKI valid
Announced by
AS2386
Type
Business
Risk
0 / 100 · Low

Residential-proxy exits

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

Exits seen per day

2 observations

Proxy providers listing exits

  • LemonBright

Announcements

Less specific

Covering announcements

PrefixOriginTypeLeased fromProxy exitsHolderRPKI
12.128.0.0/9AS7018ResidentialIP broker Rackdog (part)5,160
278 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 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, 1983[email protected]
└ 12.239.136.0/24256AIRESPRI56-136Airespring-Demopolis Catv (C11575831) · USReassignedApr 22, 2026[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
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

AS2386

US
Name
AT&T Enterprises, LLC
Type
Internet provider
Registered
Feb 3, 1993
Domain
att.com
Website
qsun.att.com
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed