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Data as of Nov 3, 2026

12.0.0.0/22

No anonymizer space · no proxy exits in 30 days

AT&T Enterprises, LLC

Announcement
this exact prefix
RPKI valid
Announced by
AS6269
Type
Business
Risk
0 / 100 · Low

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
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 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]
└ 12.0.0.0/221,024ATT-NET-12-0-0-0-22AT&T CBB Tier-3 Lab (C11309735) · USReassignedAug 7, 2025[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

AS6269

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