Data as of Nov 5, 2026

199.186.28.0/22

No anonymizer space · no proxy exits in 30 days

AT&T Enterprises, LLC · space held by AT&T Services, Inc.

Announcement
No RPKI
Announced by
Type
Residential
75% of it

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
199.186.28.0/24
since Aug 2016
AS14795BusinessAT&T Services, Inc.

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
199.186.0.0/1665,536NETBLK-ATTICO-BLK1AT&T Services, Inc. (ATTSE-Z) · USDirect AllocationFeb 22, 1994abuse@att.net
└ 199.186.25.0 - 199.186.34.2552,560CTC-MUNDO-DOM1CTC Mundo (CTCM) · CLReassignedOct 23, 1995—

Composition

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

Announced space

Address share

Announced space

Types across the prefix

1,024 addresses
TypeAddressesShareRanges
Residential76875%1
Business25625%1

Network & registry

Announced by

Covering announcement 199.186.0.0/16

Prefix
199.186.0.0/16
Announced by
AS7018 AT&T Enterprises, LLC
Type
Residential
RPKI
No RPKI
Netname
NETBLK-ATTICO-BLK1
Registrant
AT&T Services, Inc.
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