Report for 42527

Name

EXPERT-SYSTEMA-AS - Expert System Ltd, 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.

42527 EXPERT-SYSTEMA-AS, RU

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS9002          RETN-AS, GB

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
25308 AS42527        ORIGIN  Originate:       2048 /21.00  Transit:          0 /0.00  EXPERT-SYSTEMA-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       %
43663 AS42527       EXPERT-SYSTEMA-AS, RU                              1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  89.113.128.0/21      57866 9002 42527       

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

AS42527   1 More Specifics   1 Total Advertisements   DEVEXPERTS-AS, RU
    89.113.128.0/21               89.112.0.0/15

Whois Entry

whois: 402590

IANA has recorded AS42527 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS42527\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 'AS42383 - AS42959'
             
             as-block:       AS42383 - AS42959
             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:        2021-08-19T06:50:17Z
             last-modified:  2021-08-19T06:50:17Z
             source:         RIPE
             
             % Information related to 'AS42527'
             
             % Abuse contact for 'AS42527' is 'ripe@expert-systema.ru'
             
             aut-num:        AS42527
             as-name:        EXPERT-SYSTEMA-AS
             org:            ORG-DL45-RIPE
             import:         from AS3216 action pref=100;accept ANY
             import:         from AS57304 action pref=100;accept ANY
             export:         to AS3216 announce AS42527
             export:         to AS57304 announce AS42527
             admin-c:        EO2773-RIPE
             tech-c:         EO2773-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         esru-mnt
             created:        2007-03-07T10:09:27Z
             last-modified:  2024-06-06T14:55:40Z
             source:         RIPE
             sponsoring-org: ORG-ES15-RIPE
             
             organisation:   ORG-DL45-RIPE
             org-name:       Expert System Ltd
             country:        RU
             reg-nr:         1037828058597
             org-type:       OTHER
             address:        Russia,St-Petersburg,Barochnaya 10/1
             abuse-c:        AR22565-RIPE
             mnt-ref:        esru-mnt
             mnt-by:         esru-mnt
             created:        2007-03-02T11:04:05Z
             last-modified:  2026-05-13T06:07:15Z
             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 (ABERDEEN)