Report for 397432

Name

FORTWORTH-CITY - City of Fort Worth, 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.

397432 FORTWORTH-CITY - City of Fort Worth, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS6461          ZAYO-6461 - Zayo Bandwidth, US
    AS7018          ATT-INTERNET4 - AT&T Enterprises, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
43935 AS397432       ORIGIN  Originate:       1024 /22.00  Transit:          0 /0.00  FORTWORTH-CITY - City of Fort Worth, 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       %
29935 AS397432      FORTWORTH-CITY - City of Fort Worth, US            3      1      0      2      1  33.33%


  Prefix               AS Path                              Aggregation Suggestion
  204.10.90.0/23       4777 2497 7018 397432   
  204.10.90.0/24       4777 2497 7018 397432 - Withdrawn - matching aggregate 204.10.90.0/23 4777 2497 7018 397432
  204.10.91.0/24       4777 2497 6461 397432   

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

AS397432   2 More Specifics   3 Total Advertisements   FORTWORTH-CITY - City of Fort Worth, US
    204.10.90.0/24                204.10.90.0/23
    204.10.91.0/24                204.10.90.0/23

Whois Entry

whois: 402617

IANA has recorded AS397432 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS397432\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:       397432
             ASName:         FORTWORTH-CITY
             ASHandle:       AS397432
             RegDate:        2019-03-27
             Updated:        2019-03-27
             Ref:            https://rdap.arin.net/registry/autnum/397432
             
             
             OrgName:        City of Fort Worth
             OrgId:          CFW-22
             Address:        275 W 13th St
             City:           Fort Worth
             StateProv:      TX
             PostalCode:     76102
             Country:        US
             RegDate:        2017-12-12
             Updated:        2019-03-13
             Ref:            https://rdap.arin.net/registry/entity/CFW-22
             
             
             OrgTechHandle: VARGH16-ARIN
             OrgTechName:   Varghese, Alex 
             OrgTechPhone:  +1-817-392-8483 
             OrgTechEmail:  alex.varghese@fortworthtexas.gov
             OrgTechRef:    https://rdap.arin.net/registry/entity/VARGH16-ARIN
             
             OrgNOCHandle: VARGH16-ARIN
             OrgNOCName:   Varghese, Alex 
             OrgNOCPhone:  +1-817-392-8483 
             OrgNOCEmail:  alex.varghese@fortworthtexas.gov
             OrgNOCRef:    https://rdap.arin.net/registry/entity/VARGH16-ARIN
             
             OrgAbuseHandle: VARGH16-ARIN
             OrgAbuseName:   Varghese, Alex 
             OrgAbusePhone:  +1-817-392-8483 
             OrgAbuseEmail:  alex.varghese@fortworthtexas.gov
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/VARGH16-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.
             #