Report for 32457

Name

AS32457 - City of Houston, 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.

32457 AS32457 - City of Houston, US

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS394437        PSLIGHTWAVE - PS Lightwave, US
    AS13767         DATABANK-DFW - DataBank Holdings, Ltd., US
    AS46887         CROWNCASTLE-AS46887 - Crown Castle Fiber LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
18552 AS32457        ORIGIN  Originate:       3584 /20.19  Transit:          0 /0.00  AS32457 - City of Houston, 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       %
12348 AS32457       AS32457 - City of Houston, US                     14      6      3     11      3  21.43%


  Prefix               AS Path                              Aggregation Suggestion
  204.235.224.0/24     4777 2497 174 394437 32457 32457 32457 32457 32457 32457 32457   
  204.235.226.0/23     4777 2497 174 394437 32457 32457 32457 32457 32457 32457 32457 + Announce - aggregate of 204.235.226.0/24 (4777 2497 174 394437 32457 32457 32457 32457 32457 32457 32457) and 204.235.227.0/24 (4777 2497 174 394437 32457 32457 32457 32457 32457 32457 32457)
  204.235.226.0/24     4777 2497 174 394437 32457 32457 32457 32457 32457 32457 32457 - Withdrawn - aggregated with 204.235.227.0/24 (4777 2497 174 394437 32457 32457 32457 32457 32457 32457 32457)
  204.235.227.0/24     4777 2497 174 394437 32457 32457 32457 32457 32457 32457 32457 - Withdrawn - aggregated with 204.235.226.0/24 (4777 2497 174 394437 32457 32457 32457 32457 32457 32457 32457)
  204.235.228.0/24     4777 2497 174 394437 32457 32457 32457 32457 32457 32457 32457   
  204.235.229.0/24     4777 2516 1299 13767 32457   
  204.235.230.0/24     4777 2497 174 394437 32457 32457 32457 32457 32457 32457 32457   
  204.235.231.0/24     4777 2516 1299 46887 32457 32457   
  204.235.232.0/23     4777 2516 1299 46887 32457 32457 + Announce - aggregate of 204.235.232.0/24 (4777 2516 1299 46887 32457 32457) and 204.235.233.0/24 (4777 2516 1299 46887 32457 32457)
  204.235.232.0/24     4777 2516 1299 46887 32457 32457 - Withdrawn - aggregated with 204.235.233.0/24 (4777 2516 1299 46887 32457 32457)
  204.235.233.0/24     4777 2516 1299 46887 32457 32457 - Withdrawn - aggregated with 204.235.232.0/24 (4777 2516 1299 46887 32457 32457)
  204.235.234.0/24     4777 2516 1299 46887 32457 32457   
  204.235.236.0/23     4777 2497 174 394437 32457 32457 32457 32457 32457 32457 32457 + Announce - aggregate of 204.235.236.0/24 (4777 2497 174 394437 32457 32457 32457 32457 32457 32457 32457) and 204.235.237.0/24 (4777 2497 174 394437 32457 32457 32457 32457 32457 32457 32457)
  204.235.236.0/24     4777 2497 174 394437 32457 32457 32457 32457 32457 32457 32457 - Withdrawn - aggregated with 204.235.237.0/24 (4777 2497 174 394437 32457 32457 32457 32457 32457 32457 32457)
  204.235.237.0/24     4777 2497 174 394437 32457 32457 32457 32457 32457 32457 32457 - Withdrawn - aggregated with 204.235.236.0/24 (4777 2497 174 394437 32457 32457 32457 32457 32457 32457 32457)
  204.235.238.0/24     4777 2516 1299 46887 32457 32457   
  204.235.239.0/24     4777 2497 174 394437 32457 32457 32457 32457 32457 32457 32457   

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

AS32457   14 More Specifics   14 Total Advertisements   AS32457 - City of Houston, US
    204.235.224.0/24              204.235.224.0/20
    204.235.226.0/24              204.235.224.0/20
    204.235.227.0/24              204.235.224.0/20
    204.235.228.0/24              204.235.224.0/20
    204.235.229.0/24              204.235.224.0/20
    204.235.230.0/24              204.235.224.0/20
    204.235.231.0/24              204.235.224.0/20
    204.235.232.0/24              204.235.224.0/20
    204.235.233.0/24              204.235.224.0/20
    204.235.234.0/24              204.235.224.0/20
    204.235.236.0/24              204.235.224.0/20
    204.235.237.0/24              204.235.224.0/20
    204.235.238.0/24              204.235.224.0/20
    204.235.239.0/24              204.235.224.0/20

Whois Entry

whois: 402332

IANA has recorded AS32457 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS32457\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:       32457
             ASName:         AS32457
             ASHandle:       AS32457
             RegDate:        2025-02-27
             Updated:        2025-02-27
             Ref:            https://rdap.arin.net/registry/autnum/32457
             
             
             OrgName:        City of Houston
             OrgId:          COHT
             Address:        611 WALKER ST.
             Address:        SUITE 800
             City:           HOUSTON
             StateProv:      TX
             PostalCode:     77002
             Country:        US
             RegDate:        1994-12-15
             Updated:        2025-06-09
             Ref:            https://rdap.arin.net/registry/entity/COHT
             
             
             OrgTechHandle: ALTAM19-ARIN
             OrgTechName:   Al-Tamimi, Mustafa 
             OrgTechPhone:  +1-713-899-2051 
             OrgTechEmail:  Mustafa.AlTamimi@houstontx.gov
             OrgTechRef:    https://rdap.arin.net/registry/entity/ALTAM19-ARIN
             
             OrgAbuseHandle: IIM16-ARIN
             OrgAbuseName:   IT Infrastructure Manager
             OrgAbusePhone:  +1-832-986-1222 
             OrgAbuseEmail:  COHARIN@houstontx.gov
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/IIM16-ARIN
             
             OrgTechHandle: NGUYE1463-ARIN
             OrgTechName:   Nguyen, Tony  
             OrgTechPhone:  +1-713-822-5283 
             OrgTechEmail:  arin@houstontx.gov
             OrgTechRef:    https://rdap.arin.net/registry/entity/NGUYE1463-ARIN
             
             OrgTechHandle: TTN10-ARIN
             OrgTechName:   Nguyen, Tony T
             OrgTechPhone:  +1-832-393-0085 
             OrgTechEmail:  arin@houstontx.gov
             OrgTechRef:    https://rdap.arin.net/registry/entity/TTN10-ARIN
             
             OrgTechHandle: IIM16-ARIN
             OrgTechName:   IT Infrastructure Manager
             OrgTechPhone:  +1-832-986-1222 
             OrgTechEmail:  COHARIN@houstontx.gov
             OrgTechRef:    https://rdap.arin.net/registry/entity/IIM16-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.
             #