Report for 20408

Name

NTTA - North Texas Tollway Authority, US

AS Adjacency Report

In the context of this report "Upstream" indicates that there is an adjacent AS that lines between the BGP table collection point (in this case at AS2.0) and the specified AS. Similarly, "Downstream" refers to an adjacent AS that lies beyond the specified AS. This upstream / downstream categorisation is strictly a description relative topology, and should not be confused with provider / customer / peer inter-AS relationships.

20408 NTTA - North Texas Tollway Authority, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS7018          ATT-INTERNET4 - AT&T Enterprises, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
44541 AS20408        ORIGIN  Originate:        768 /22.42  Transit:          0 /0.00  NTTA - North Texas Tollway Authority, US

Aggregation Suggestions

        Filter: Aggregates, Specifics

This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.

 Rank AS            AS Name                                      Current  Wthdw  Aggte  Annce Redctn       %
35511 AS20408       NTTA - North Texas Tollway Authority, US           3      0      0      3      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  12.229.157.0/24      4777 2497 7018 20408   
  170.39.157.0/24      4777 2497 7018 20408   
  208.189.92.0/24      4777 2497 7018 20408   

Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.

AS20408   2 More Specifics   3 Total Advertisements   NTTA - North Texas Tollway Authority, US
    12.229.157.0/24               12.0.0.0/8
    208.189.92.0/24               208.188.0.0/14

Whois Entry

whois: 402603

IANA has recorded AS20408 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS20408\n             
             #
             # 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
             
             
             OrgTechHandle: SANCH207-ARIN
             OrgTechName:   SANCHEZ, RAUL 
             OrgTechPhone:  +1-214-224-2115 
             OrgTechEmail:  RSANCHEZ@NTTA.ORG
             OrgTechRef:    https://rdap.arin.net/registry/entity/SANCH207-ARIN
             
             OrgAbuseHandle: SANCH207-ARIN
             OrgAbuseName:   SANCHEZ, RAUL 
             OrgAbusePhone:  +1-214-224-2115 
             OrgAbuseEmail:  RSANCHEZ@NTTA.ORG
             OrgAbuseRef:    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.
             #