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Data as of Nov 9, 2026

198.133.19.0/24

No anonymizer space · no proxy exits in 30 days

AT&T Enterprises, LLC

Announcement
this exact prefix
RPKI valid
Announced by
AS2685
Type
Residential
Risk
0 / 100 · Low

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
198.133.16.0/20
since May 2005
AS7018ResidentialAT&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
198.133.16.0/204,096ATT-198-133-16-0-CAT&T Enterprises, LLC (AEL-360) · USDirect AllocationApr 22, 1993abuse@att.net
└ 198.133.19.0/24256IBM-HPCC4IBM Corporation (C00002193) · USReassignedApr 22, 1993abuse@att.net
via ATT-198-133-16-0-C

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
198.133.16.0/20
Registration type
Direct Allocation
Record created
Apr 22, 1993
Legacy
yes
Origin network

AS2685

US
Name
AT&T Enterprises, LLC
Type
Internet provider
Registered
Jun 2, 1993
Domain
att.com
Website
www.att.com
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed