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Data as of Nov 3, 2026

204.127.240.0/20

No anonymizer space · no proxy exits in 30 days

AT&T Enterprises, LLC

Announcement
204.127.128.0/17
No RPKI
Announced by
AS7018
Type
Residential
63% of it

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
204.127.240.0/24
since Sep 2011
AS4468Internet providerAT&T Enterprises, LLC
204.127.241.0/24
since Nov 2011
AS4468Internet providerAT&T Enterprises, LLC
204.127.242.0/24
since Nov 2011
AS4468Internet providerAT&T Enterprises, LLC
204.127.245.0/24
since Nov 2015
AS4468Internet providerAT&T Enterprises, LLC
204.127.249.0/24
since Oct 2015
AS4468Internet providerAT&T Enterprises, LLC
204.127.251.0/24
since Sep 2015
AS4468Internet providerAT&T Enterprises, LLC

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
204.127.0.0/1665,536ATTPLSAT&T Enterprises, LLC (AEL-360) · USDirect AllocationAug 22, 1994[email protected]
└ 204.127.240.0/204,096ATTSVC-204-127-240-0AT&T Consumer IP Services (C00728608) · USReassignedDec 17, 2003[email protected]
via ATTPLS

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

4,096 addresses
TypeAddressesShareRanges
Residential2,56063%4
Internet provider1,53638%6

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 204.127.128.0/17

Prefix
204.127.128.0/17
Announced by
AS7018 AT&T Enterprises, LLC
Type
Residential
RPKI
No RPKI
Netname
ATTPLS
Registrant
AT&T Enterprises, LLC
RIR
ARIN
Origin network

AS7018

US
Name
AT&T Enterprises, LLC
Type
Internet provider
Registered
Jul 30, 1996
Domain
att.com
Website
www.att.com
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed