Data as of Nov 7, 2026

135.211.192.0/18

No anonymizer space · no proxy exits in 30 days

AT&T Enterprises, LLC

Announcement
this exact prefix
RPKI valid
Announced by
Type
Mobile
Recent change
New origin Aug 2026
its first announcement on record

Announcements

Nesting

More-specifics by size

Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific

Announcements inside

PrefixOriginTypeHolderRPKI
135.211.200.0/24
since Feb 2008
AS20057MobileAT&T Enterprises, LLC
135.211.206.0/24
since Feb 2010
AS20057MobileAT&T Enterprises, LLC
135.211.216.0/24
since Feb 2008
AS20057MobileAT&T Enterprises, LLC
135.211.221.0/24
since Mar 2010
AS20057MobileAT&T Enterprises, LLC
135.211.232.0/24
since Feb 2008
AS20057MobileAT&T Enterprises, LLC
135.211.237.0/24
since Feb 2010
AS20057MobileAT&T Enterprises, LLC
135.211.248.0/24
since Feb 2008
AS20057MobileAT&T Enterprises, LLC
135.211.254.0/24
since Mar 2010
AS20057MobileAT&T Enterprises, LLC

Network & registry

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