Report for 18815

Name

AS-CITY-AND-COUNTY-OF-DENVER - CITY AND COUNTY OF DENVER, 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.

18815 AS-CITY-AND-COUNTY-OF-DENVER - CITY AND COUNTY OF DENVER, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS13649         ASN-FLEXENTIAL - Flexential Colorado Corp., US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
3388  AS18815        ORIGIN  Originate:      66048 /15.99  Transit:          0 /0.00  AS-CITY-AND-COUNTY-OF-DENVER - CITY AND COUNTY OF DENVER, 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       %
15758 AS18815       AS-CITY-AND-COUNTY-OF-DENVER - CITY AND COUNT      3      2      0      1      2  66.67%


  Prefix               AS Path                              Aggregation Suggestion
  169.133.0.0/16       4777 2497 3257 13649 18815   
  169.133.1.0/24       4777 2497 3257 13649 18815 - Withdrawn - matching aggregate 169.133.0.0/16 4777 2497 3257 13649 18815
  169.133.10.0/24      4777 2497 3257 13649 18815 - Withdrawn - matching aggregate 169.133.0.0/16 4777 2497 3257 13649 18815

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

AS18815   2 More Specifics   3 Total Advertisements   AS-CITY-AND-COUNTY-OF-DENVER - CITY AND COUNTY OF DENVER, US
    169.133.1.0/24                169.133.0.0/16
    169.133.10.0/24               169.133.0.0/16

Whois Entry

whois: 402591

IANA has recorded AS18815 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS18815\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:       18815
             ASName:         AS-CITY-AND-COUNTY-OF-DENVER
             ASHandle:       AS18815
             RegDate:        2007-08-03
             Updated:        2012-03-02
             Ref:            https://rdap.arin.net/registry/autnum/18815
             
             
             OrgName:        CITY AND COUNTY OF DENVER
             OrgId:          CCD-37
             Address:        CITY AND COUNTY OF DENVER
             Address:        201 WEST COLFAX AVE.
             Address:        3rd Floor
             City:           DENVER
             StateProv:      CO
             PostalCode:     80202
             Country:        US
             RegDate:        2003-09-23
             Updated:        2011-09-24
             Ref:            https://rdap.arin.net/registry/entity/CCD-37
             
             
             OrgTechHandle: DIREC3-ARIN
             OrgTechName:   DIRECTOR OF TECHNOLOGY
             OrgTechPhone:  +1-720-337-4357 
             OrgTechEmail:  license.administrator@denvergov.org
             OrgTechRef:    https://rdap.arin.net/registry/entity/DIREC3-ARIN
             
             OrgAbuseHandle: DIREC3-ARIN
             OrgAbuseName:   DIRECTOR OF TECHNOLOGY
             OrgAbusePhone:  +1-720-337-4357 
             OrgAbuseEmail:  license.administrator@denvergov.org
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/DIREC3-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.
             #