Report for 17190

Name

ASN17190 - Washington Metropolitan Area Transit 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.

17190 ASN17190 - Washington Metropolitan Area Transit Authority, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS6079          RCN-AS - RCN, US
    AS33657         CMCS - Comcast Cable Communications, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
12648 AS17190        ORIGIN  Originate:       7168 /19.19  Transit:          0 /0.00  ASN17190 - Washington Metropolitan Area Transit 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       %
34085 AS17190       ASN17190 - Washington Metropolitan Area Trans      6      0      0      6      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  170.121.8.0/21       4777 2516 7922 33657 17190   
  170.121.12.0/22      4777 2497 6079 17190 17190 17190 17190 17190   
  170.121.68.0/22      4777 2516 7922 33657 17190   
  170.121.192.0/22     4777 2516 7922 33657 17190   
  170.121.244.0/22     4777 2497 6079 17190   
  170.121.252.0/22     4777 2516 7922 33657 17190   

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

AS17190   6 More Specifics   6 Total Advertisements   ASN17190 - Washington Metropolitan Area Transit Authority, US
    170.121.8.0/21                170.121.0.0/16
    170.121.12.0/22               170.121.0.0/16
    170.121.68.0/22               170.121.0.0/16
    170.121.192.0/22              170.121.0.0/16
    170.121.244.0/22              170.121.0.0/16
    170.121.252.0/22              170.121.0.0/16

Whois Entry

whois: 402332

IANA has recorded AS17190 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS17190\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:       17190
             ASName:         ASN17190
             ASHandle:       AS17190
             RegDate:        2023-01-26
             Updated:        2023-01-26
             Ref:            https://rdap.arin.net/registry/autnum/17190
             
             
             OrgName:        Washington Metropolitan Area Transit Authority
             OrgId:          WMATA
             Address:        300 7th Street, SW
             City:           Washington
             StateProv:      DC
             PostalCode:     20024
             Country:        US
             RegDate:        1994-04-18
             Updated:        2024-01-29
             Ref:            https://rdap.arin.net/registry/entity/WMATA
             
             
             OrgTechHandle: APA265-ARIN
             OrgTechName:   ARIN POC Admin
             OrgTechPhone:  +1-202-557-4577 
             OrgTechEmail:  xpanyanouvong@wmata.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/APA265-ARIN
             
             OrgDNSHandle: APA265-ARIN
             OrgDNSName:   ARIN POC Admin
             OrgDNSPhone:  +1-202-557-4577 
             OrgDNSEmail:  xpanyanouvong@wmata.com
             OrgDNSRef:    https://rdap.arin.net/registry/entity/APA265-ARIN
             
             OrgAbuseHandle: APA265-ARIN
             OrgAbuseName:   ARIN POC Admin
             OrgAbusePhone:  +1-202-557-4577 
             OrgAbuseEmail:  xpanyanouvong@wmata.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/APA265-ARIN
             
             OrgRoutingHandle: APA265-ARIN
             OrgRoutingName:   ARIN POC Admin
             OrgRoutingPhone:  +1-202-557-4577 
             OrgRoutingEmail:  xpanyanouvong@wmata.com
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/APA265-ARIN
             
             OrgNOCHandle: APA265-ARIN
             OrgNOCName:   ARIN POC Admin
             OrgNOCPhone:  +1-202-557-4577 
             OrgNOCEmail:  xpanyanouvong@wmata.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/APA265-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.
             #