Report for 23458

Name

DHH-AUTHORITY - Denver Health and Hospital 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.

23458 DHH-AUTHORITY - Denver Health and Hospital Authority, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS6461          ZAYO-6461 - Zayo Bandwidth, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
24484 AS23458        ORIGIN  Originate:       2048 /21.00  Transit:          0 /0.00  DHH-AUTHORITY - Denver Health and Hospital 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       %
12397 AS23458       DHH-AUTHORITY - Denver Health and Hospital Au      5      3      0      2      3  60.00%


  Prefix               AS Path                              Aggregation Suggestion
  204.9.100.0/22       4777 2497 6461 23458   
  204.9.100.0/24       4777 2497 6461 23458 - Withdrawn - matching aggregate 204.9.100.0/22 4777 2497 6461 23458
  204.9.101.0/24       4777 2497 6461 23458 - Withdrawn - matching aggregate 204.9.100.0/22 4777 2497 6461 23458
  204.9.102.0/24       4777 2497 6461 23458 - Withdrawn - matching aggregate 204.9.100.0/22 4777 2497 6461 23458
  205.170.235.0/24     4777 2497 6461 23458   

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

AS23458   4 More Specifics   5 Total Advertisements   DHH-AUTHORITY - Denver Health and Hospital Authority, US
    204.9.100.0/24                204.9.100.0/22
    204.9.101.0/24                204.9.100.0/22
    204.9.102.0/24                204.9.100.0/22
    205.170.235.0/24              205.168.0.0/14

Whois Entry

whois: 402609

IANA has recorded AS23458 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS23458\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:       23458
             ASName:         DHH-AUTHORITY
             ASHandle:       AS23458
             RegDate:        2002-03-21
             Updated:        2012-03-20
             Ref:            https://rdap.arin.net/registry/autnum/23458
             
             
             OrgName:        Denver Health and Hospital Authority
             OrgId:          DHHA
             Address:        777 Bannock St
             City:           Denver
             StateProv:      CO
             PostalCode:     80204
             Country:        US
             RegDate:        1999-01-19
             Updated:        2004-09-08
             Ref:            https://rdap.arin.net/registry/entity/DHHA
             
             
             OrgTechHandle: NETWO648-ARIN
             OrgTechName:   Network Team
             OrgTechPhone:  +1-303-602-9781 
             OrgTechEmail:  DL_IT_Network_Team@dhha.org
             OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO648-ARIN
             
             OrgAbuseHandle: EVA14-ARIN
             OrgAbuseName:   Vazquez, Jr., Ed 
             OrgAbusePhone:  +1-303-436-4991 
             OrgAbuseEmail:  ed.vazquez@dhha.org
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/EVA14-ARIN
             
             OrgNOCHandle: NETWO649-ARIN
             OrgNOCName:   Network Operations
             OrgNOCPhone:  +1-303-436-5933 
             OrgNOCEmail:  noc@dhha.org
             OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO649-ARIN
             
             RTechHandle: DF882-ARIN
             RTechName:   Franck, David 
             RTechPhone:  +1-303-436-7972 
             RTechEmail:  david.franck@dhha.org
             RTechRef:    https://rdap.arin.net/registry/entity/DF882-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.
             #