Report for 15721

Name

CTCO - C.T.CO. Ltd., LV

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 AS4637) 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.

15721 CTCO C.T.CO. Ltd Autonomous System

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS6747    LATTELEKOM Lattelekom

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
9576  AS15721  ORIGIN  Originate:       4096 /20.00  Transit:          0 /0.00  CTCO C.T.CO. Ltd Autonomous System

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       %
11113 AS15721 CTCO C.T.CO. Ltd Autonomous System            1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  217.21.160.0/20      4637 3549 35254 6747 6747 6747 6747 6747 6747 15721 15721   

Whois Entry

whois: 402603

IANA has recorded AS15721 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS15721\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 'AS15719 - AS15803'
             
             as-block:       AS15719 - AS15803
             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:        2024-02-13T15:18:50Z
             last-modified:  2024-02-13T15:18:50Z
             source:         RIPE
             
             % Information related to 'AS15721'
             
             % Abuse contact for 'AS15721' is 'sysadmin@ctco.lv'
             
             aut-num:        AS15721
             org:            ORG-CL2-RIPE
             as-name:        CTCO
             descr:          Riga, Latvia
             import:         from AS-CTCO action pref=100; accept AS-LATVIA
             import:         from AS21016 action pref=50; accept ANY
             export:         to AS-CTCO announce AS15721
             export:         to AS21016 action aspath.prepend (AS15721,  AS15721);  announce AS15721
             import:         from AS12578 action pref=200; accept ANY
             export:         to AS12578 announce AS15721
             import:         from AS197870 action pref=200; accept ANY
             export:         to AS197870 announce AS15721
             import:         from AS9002 action pref=50; accept ANY
             export:         to AS9002 action aspath.prepend (AS15721,AS15721,AS15721,AS15721,AS15721); announce AS15721
             admin-c:        CH951-RIPE
             tech-c:         CH951-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         CTCO-MNT
             created:        2001-12-13T18:16:00Z
             last-modified:  2023-10-20T11:49:35Z
             source:         RIPE
             
             organisation:   ORG-CL2-RIPE
             org-name:       C.T.CO. Ltd.
             country:        LV
             reg-nr:         40003444513
             org-type:       LIR
             address:        Meistaru Street 33
             address:        LV-1076
             address:        Valdlauchi
             address:        LATVIA
             phone:          +37166952000
             admin-c:        JK5327-RIPE
             admin-c:        PG4602-RIPE
             mnt-by:         CTCO-MNT
             mnt-ref:        CTCO-MNT
             mnt-ref:        RIPE-NCC-HM-MNT
             mnt-by:         RIPE-NCC-HM-MNT
             abuse-c:        CAC84-RIPE
             created:        2004-04-17T11:37:59Z
             last-modified:  2026-05-13T07:29:07Z
             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 1.122.1 (ABERDEEN)