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AS20408 North Texas Tollway Authority

Q: Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

ASN Lookup Tool

North Texas Tollway Authority ntta.org

US 3 Routes

AS Data

AS20408

AS20408 – North Texas Tollway Authority

AS Number	20408
AS Name	NTTA
Organization	North Texas Tollway Authority(nttan)
Country	US
Website	ntta.org
Number of IPv4 Routes	3
Number of IPv6 Routes	0
ASN type	GOVERNMENT
Registry	ARIN
Date Allocated	2001-05-03

ASN Intelligence API for production workflows

Use ASN data for AS20408 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
170.39.157.0/24	AS20408	North Texas Tollway Authority	North Texas Tollway Authority	256
12.229.157.0/24	AS20408	North Texas Tollway Authority	STATE OF TEXAS	256
208.189.92.0/24	AS20408	North Texas Tollway Authority	North Texas Tollway Authority	256

Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       20408
ASName:         NTTA
ASHandle:       AS20408
RegDate:        2001-05-03
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/20408


OrgName:        North Texas Tollway Authority
OrgId:          NTTAN
Address:        5900 W. Plano Parkway, Ste. 100
City:           Plano
StateProv:      TX
PostalCode:     75093
Country:        US
RegDate:        2001-05-03
Updated:        2021-07-08
Ref:            https://rdap.arin.net/registry/entity/NTTAN


OrgAbuseHandle: SANCH207-ARIN
OrgAbuseName:   SANCHEZ, RAUL 
OrgAbusePhone:  +1-214-224-2115 
OrgAbuseEmail:  RSANCHEZ@NTTA.ORG
OrgAbuseRef:    https://rdap.arin.net/registry/entity/SANCH207-ARIN

OrgTechHandle: SANCH207-ARIN
OrgTechName:   SANCHEZ, RAUL 
OrgTechPhone:  +1-214-224-2115 
OrgTechEmail:  RSANCHEZ@NTTA.ORG
OrgTechRef:    https://rdap.arin.net/registry/entity/SANCH207-ARIN

RTechHandle: SB1252-ARIN
RTechName:   Burton, Shannon 
RTechPhone:  +1-214-461-2048 
RTechEmail:  sburton@ntta.org
RTechRef:    https://rdap.arin.net/registry/entity/SB1252-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number	Description	Country
AS7018	AT&T Enterprises, LLC	US

Upstreams

AS Number	Description	Country
AS7018	AT&T Enterprises, LLC	US

Frequently Asked Questions

What is ASN AS20408?

ASN AS20408 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS20408?

AS20408 is listed under North Texas Tollway Authority.

What do peers, upstreams, and downstreams mean?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data included here?

WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access full ASN table data?

This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.