Report for 51831

Name

TRETYAKOV-AS - The State Tretyakov Gallery, RU

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.

51831 TRETYAKOV-AS, RU

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS29226         MASTERTEL-AS Moscow, Russia, RU
    AS5429          IIP-NET-AS5429, RU
    AS20485         TRANSTELECOM Moscow, Russia, RU

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
64299 AS51831        ORIGIN  Originate:        256 /24.00  Transit:          0 /0.00  TRETYAKOV-AS, RU

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       %
47768 AS51831       TRETYAKOV-AS, RU                                   1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  91.221.35.0/24       37100 20485 51831      

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

AS51831   1 More Specifics   1 Total Advertisements   TRETYAKOV-AS, RU
    91.221.35.0/24                91.221.34.0/23

Whois Entry

whois: 402603

IANA has recorded AS51831 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS51831\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 'AS51819 - AS51843'
             
             as-block:       AS51819 - AS51843
             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:        2026-02-02T15:31:00Z
             last-modified:  2026-02-02T15:31:00Z
             source:         RIPE
             
             % Information related to 'AS51831'
             
             % Abuse contact for 'AS51831' is 'domain@tretyakov.ru'
             
             aut-num:        AS51831
             as-name:        TRETYAKOV-AS
             org:            ORG-TSTG1-RIPE
             import:         from AS5429 action pref=100; accept ANY
             import:         from AS20485 action pref=100; accept ANY
             import:         from AS29226 action pref=100; accept ANY
             export:         to AS5429 announce AS51831
             export:         to AS20485 announce AS51831
             export:         to AS29226 announce AS51831
             admin-c:        PB11632-RIPE
             tech-c:         PB11632-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         MNT-TRETYAKOV
             created:        2010-11-12T10:33:07Z
             last-modified:  2024-08-19T08:18:09Z
             source:         RIPE
             sponsoring-org: ORG-CS216-RIPE
             
             organisation:   ORG-TSTG1-RIPE
             org-name:       The State Tretyakov Gallery
             country:        RU
             reg-nr:         Not Applicable
             org-type:       OTHER
             address:        119017 Moscow, Lavrushinsky per., 10
             abuse-c:        AR19047-RIPE
             mnt-ref:        MNT-TRETYAKOV
             mnt-by:         MNT-TRETYAKOV
             created:        2010-04-21T13:17:52Z
             last-modified:  2026-05-13T05:49:26Z
             source:         RIPE # Filtered
             
             %ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
             %
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             % 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 (DEXTER)