Report for 21631

Name

CHFA-COLORADO - Colorado Housing and Finance 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 AS6447) 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.

21631 CHFA-COLORADO, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS29863         DATABANK-LATISYS, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
48747 AS21631        ORIGIN  Originate:        512 /23.00  Transit:          0 /0.00  CHFA-COLORADO, 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       %
36093 AS21631       CHFA-COLORADO, US                                  2      0      0      2      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  71.4.66.0/24         2914 3356 29863 21631   
  192.30.123.0/24      2914 3356 29863 21631   

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

AS21631   1 More Specifics   2 Total Advertisements   CHFA-COLORADO, US
    71.4.66.0/24                  71.4.0.0/15

Whois Entry

whois: 402590

IANA has recorded AS21631 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS21631\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:       21631
             ASName:         CHFA-COLORADO
             ASHandle:       AS21631
             RegDate:        2013-10-28
             Updated:        2013-10-28
             Ref:            https://rdap.arin.net/registry/autnum/21631
             
             
             OrgName:        Colorado Housing and Finance Authority
             OrgId:          CHFA-1
             Address:        1981 Blake Street
             City:           Denver
             StateProv:      CO
             PostalCode:     80202
             Country:        US
             RegDate:        2013-09-23
             Updated:        2022-09-06
             Ref:            https://rdap.arin.net/registry/entity/CHFA-1
             
             
             OrgAbuseHandle: FUERS9-ARIN
             OrgAbuseName:   Fuerst, Aaron 
             OrgAbusePhone:  +1-303-297-7307 
             OrgAbuseEmail:  afuerst@chfainfo.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/FUERS9-ARIN
             
             OrgTechHandle: FUERS9-ARIN
             OrgTechName:   Fuerst, Aaron 
             OrgTechPhone:  +1-303-297-7307 
             OrgTechEmail:  afuerst@chfainfo.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/FUERS9-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.
             #