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Data as of Nov 10, 2026

66.126.137.0/24

No anonymizer space · no proxy exits in 30 days

AT&T Enterprises, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS2386
Type
Hosting
Risk
50 / 100 · Medium

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
66.120.0.0/13
since Nov 2021
AS7018Residential584
8 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
66.120.0.0/13524,288SBCIS-SIS80AT&T Enterprises, LLC (AEL-360) · USDirect AllocationMay 1, 2001abuse@att.net
└ 66.126.137.0/24256SBCIS-1011113-123752FamilyHealthCareNetwork (C00242267) · USReassignedNov 14, 2001abuse@att.net
via SBCIS-SIS80

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 historyWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
AT&T Enterprises, LLC
Handle
AEL-360
Range
66.120.0.0/13
Registration type
Direct Allocation
Record created
May 1, 2001
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