Report for 62021

Name

LATISYS-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.

62021 LATISYS-DENVER, 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
51499 AS62021        ORIGIN  Originate:        512 /23.00  Transit:          0 /0.00  LATISYS-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       %
51273 AS62021       LATISYS-DENVER, US                                 2      0      0      2      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  79.141.37.0/24       4777 2497 6461 62021   
  94.31.28.0/24        4777 2497 6461 62021   

Whois Entry

whois: 402332

IANA has recorded AS62021 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS62021\n             % This is the RIPE Database query service.
             % The objects are in RPSL format.
             %
             % The RIPE Database is subject to Terms and Conditions.
             % See https://docs.db.ripe.net/terms-conditions.html
             
             % Note: this output has been filtered.
             
             % Information related to 'AS61962 - AS62463'
             
             as-block:       AS61962 - AS62463
             descr:          RIPE NCC ASN block
             remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
             mnt-by:         RIPE-NCC-HM-MNT
             created:        2026-01-12T16:16:13Z
             last-modified:  2026-01-12T16:16:13Z
             source:         RIPE
             
             % Information related to 'AS62021'
             
             % Abuse contact for 'AS62021' is 'abuse@zayo.com'
             
             aut-num:        AS62021
             as-name:        LATISYS-DENVER
             org:            ORG-LL159-RIPE
             import:         from AS3356 accept any
             import:         from AS6461 accept any
             export:         to AS3356 announce AS62021
             export:         to AS6461 announce AS62021
             admin-c:        IC3322-RIPE
             tech-c:         IC3322-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         MNT-LATISYS_LON1
             created:        2014-03-19T08:24:15Z
             last-modified:  2018-09-04T11:25:25Z
             source:         RIPE # Filtered
             
             organisation:   ORG-LL159-RIPE
             org-name:       Zayo Group, LLC
             country:        US
             org-type:       LIR
             address:        1821 30th Street, Unit A
             address:        CO 90301
             address:        Boulder
             address:        UNITED STATES
             phone:          +1855-328-2247
             reg-nr:         4346984 (Delaware)
             admin-c:        IC3322-RIPE
             abuse-c:        AR35197-RIPE
             mnt-ref:        RIPE-NCC-HM-MNT
             mnt-ref:        zayocloud_01
             mnt-by:         RIPE-NCC-HM-MNT
             mnt-by:         zayocloud_01
             created:        2014-03-11T14:28:07Z
             last-modified:  2026-04-29T05:14:59Z
             source:         RIPE # Filtered
             
             %ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
             %
             % Queries from your IP address have passed the daily limit of controlled objects.
             % Access from your host has been temporarily denied.
             % For more information, see
             % https://docs.db.ripe.net/FAQ#why-did-i-receive-an-error-201-access-denied
             
             % This query was served by the RIPE Database Query Service version 1.122 (ABERDEEN)