Data as of Nov 6, 2026
Autonomous system

AS20408

North Texas Tollway Authority

Announces 768 addresses in 3 prefixes. None of it is anonymizer space.

Type
Business
US

Announced prefixes

Arrived
PrefixTypeHolderRPKI
12.229.157.0/24
since Aug 2015
BusinessAT&T Enterprises, LLC
via AT&T Services, Inc.
170.39.157.0/24
since Oct 2023
Business
208.189.92.0/24
since May 2005
BusinessAT&T Enterprises, LLC

Network & history

Profile
Registered
May 3, 2001
Domain
ntta.org
Industry
Government and Regulatory Agencies, Administrations, Departments, and Services