Report for 50477

Name

SV-EN-AS - Svyaz-Energo 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 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.

50477 SV-EN-AS - Svyaz-Energo Ltd., RU

  Adjacency:     7  Upstream:     4  Downstream:     3
  Upstream Adjacent AS list
    AS8359          MTS - MTS PJSC, RU
    AS20764         RASCOM-AS - CJSC RASCOM, RU
    AS31133         MF-MGSM-AS - PJSC MegaFon, RU
    AS58067         ASCHITATEH - JOINT-STOCK COMPANY "MOSCOW ENERGY COMMUNICATION NODE", RU
  Downstream Adjacent AS list
    AS44507         KMTN-AS - OJSC Kostroma Municipal Telephone Network, RU
    AS197298        ATEL-LTDR - Multifunctional Telecommunications Systems LTD, RU
    AS205062        LIGHTPORTALAKAN - LightPort Ltd, RU

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
6418  AS50477        ORG+TRN Originate:      22528 /17.54  Transit:       7424 /19.14 SV-EN-AS - Svyaz-Energo Ltd., 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       %
 5953 AS50477       SV-EN-AS - Svyaz-Energo Ltd., RU                  29     12      4     21      8  27.59%


  Prefix               AS Path                              Aggregation Suggestion
  5.149.200.0/22       4608 1221 4637 31133 50477   
  5.149.201.0/24       4777 2516 6762 31133 50477   
  5.149.204.0/22       4777 2497 8359 50477   
  5.149.204.0/23       4777 6939 12389 58067 50477 + Announce - aggregate of 5.149.204.0/24 (4777 6939 12389 58067 50477) and 5.149.205.0/24 (4777 6939 12389 58067 50477)
  5.149.204.0/24       4777 6939 12389 58067 50477 - Withdrawn - aggregated with 5.149.205.0/24 (4777 6939 12389 58067 50477)
  5.149.205.0/24       4777 6939 12389 58067 50477 - Withdrawn - aggregated with 5.149.204.0/24 (4777 6939 12389 58067 50477)
  5.149.206.0/24       4777 6939 12389 58067 50477   
  46.19.112.0/23       4608 1221 4637 31133 50477   
  46.19.114.0/23       4777 2497 8359 50477 + Announce - aggregate of 46.19.114.0/24 (4777 2497 8359 50477) and 46.19.115.0/24 (4777 2497 8359 50477)
  46.19.114.0/24       4777 2497 8359 50477 - Withdrawn - aggregated with 46.19.115.0/24 (4777 2497 8359 50477)
  46.19.115.0/24       4777 2497 8359 50477 - Withdrawn - aggregated with 46.19.114.0/24 (4777 2497 8359 50477)
  46.19.116.0/22       4608 1221 4637 31133 50477   
  109.236.208.0/20     4608 1221 4637 31133 50477 + Announce - aggregate of 109.236.208.0/21 (4608 1221 4637 31133 50477) and 109.236.216.0/21 (4608 1221 4637 31133 50477)
  109.236.208.0/23     4608 1221 4637 31133 50477 - Withdrawn - aggregated with 109.236.210.0/23 (4608 1221 4637 31133 50477)
  109.236.210.0/24     4608 1221 4637 31133 50477 - Withdrawn - aggregated with 109.236.211.0/24 (4608 1221 4637 31133 50477)
  109.236.211.0/24     4608 1221 4637 31133 50477 - Withdrawn - aggregated with 109.236.210.0/24 (4608 1221 4637 31133 50477)
  109.236.212.0/22     4608 1221 4637 31133 50477 - Withdrawn - aggregated with 109.236.208.0/22 (4608 1221 4637 31133 50477)
  109.236.216.0/21     4608 1221 4637 31133 50477 - Withdrawn - aggregated with 109.236.208.0/21 (4608 1221 4637 31133 50477)
  134.19.144.0/21      4608 1221 4637 31133 50477   
  134.19.152.0/24      4608 1221 4637 31133 50477   
  134.19.153.0/24      4777 6939 12389 58067 50477   
  134.19.154.0/23      4777 2497 8359 50477   
  134.19.154.0/24      4777 6939 12389 58067 50477   
  134.19.156.0/22      4777 2497 8359 50477   
  134.19.156.0/23      4777 2497 8359 50477 - Withdrawn - matching aggregate 134.19.156.0/22 4777 2497 8359 50477
  178.57.56.0/21       4608 1221 4637 31133 50477   
  185.34.244.0/22      4777 2497 1299 31133 50477   
  185.188.96.0/22      4608 1221 4637 31133 50477   
  185.188.96.0/24      4777 2516 6762 31133 50477   
  194.58.168.0/21      4608 1221 4637 31133 50477 + Announce - aggregate of 194.58.168.0/22 (4608 1221 4637 31133 50477) and 194.58.172.0/22 (4608 1221 4637 31133 50477)
  194.58.168.0/22      4608 1221 4637 31133 50477 - Withdrawn - aggregated with 194.58.172.0/22 (4608 1221 4637 31133 50477)
  194.58.172.0/22      4608 1221 4637 31133 50477 - Withdrawn - aggregated with 194.58.168.0/22 (4608 1221 4637 31133 50477)
  194.58.184.0/21      4608 1221 4637 31133 50477   

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

AS50477   27 More Specifics   29 Total Advertisements   SV-EN-AS - Svyaz-Energo Ltd., RU
    5.149.200.0/22                5.149.200.0/21
    5.149.201.0/24                5.149.200.0/21
    5.149.204.0/22                5.149.200.0/21
    5.149.204.0/24                5.149.200.0/21
    5.149.205.0/24                5.149.200.0/21
    5.149.206.0/24                5.149.200.0/21
    46.19.112.0/23                46.19.112.0/21
    46.19.114.0/24                46.19.112.0/21
    46.19.115.0/24                46.19.112.0/21
    46.19.116.0/22                46.19.112.0/21
    109.236.208.0/23              109.236.208.0/20
    109.236.210.0/24              109.236.208.0/20
    109.236.211.0/24              109.236.208.0/20
    109.236.212.0/22              109.236.208.0/20
    109.236.216.0/21              109.236.208.0/20
    134.19.144.0/21               134.19.144.0/20
    134.19.152.0/24               134.19.144.0/20
    134.19.153.0/24               134.19.144.0/20
    134.19.154.0/23               134.19.144.0/20
    134.19.154.0/24               134.19.144.0/20
    134.19.156.0/22               134.19.144.0/20
    134.19.156.0/23               134.19.144.0/20
    178.57.56.0/21                178.57.32.0/19
    185.188.96.0/24               185.188.96.0/22
    194.58.168.0/22               194.58.160.0/19
    194.58.172.0/22               194.58.160.0/19
    194.58.184.0/21               194.58.160.0/19

Whois Entry

whois: 402613

IANA has recorded AS50477 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS50477\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 'AS50220 - AS50841'
             
             as-block:       AS50220 - AS50841
             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:        2024-08-12T14:10:44Z
             last-modified:  2024-08-12T14:10:44Z
             source:         RIPE
             
             % Information related to 'AS50477'
             
             % Abuse contact for 'AS50477' is 'a.buse@sv-en.ru'
             
             aut-num:        AS50477
             as-name:        SV-EN-AS
             org:            ORG-SL255-RIPE
             import:         from AS44507 accept ANY
             import:         from AS25478 accept ANY
             import:         from AS50384 accept ANY
             import:         from AS31133 accept ANY
             import:         from AS3216 accept ANY
             import:         from AS20764 accept ANY
             import:         from AS12389 accept ANY
             import:         from  AS8631 accept ANY
             export:         to AS44507 announce ANY
             export:         to  AS8631 announce AS-SET-SVEN
             export:         to  AS8631 announce AS-SET-IPV6-SVEN
             export:         to AS31133 announce AS-SET-SVEN
             export:         to AS31133 announce AS-SET-IPV6-SVEN
             export:         to AS12389 announce AS-SET-SVEN
             export:         to AS3216 announce AS-SET-SVEN
             export:         to AS20764 announce AS-SET-SVEN
             export:         to AS20764 announce AS-SET-IPV6-SVEN
             export:         to AS205062 announce ANY
             import:         from AS57432 accept AS57432
             import:         from AS205062 accept AS205062
             import:         from AS197298 accept AS-ATEL-LTD
             export:         to AS57432 announce ANY
             export:         to AS197298 announce ANY
             export:         to AS31133 announce AS-SET-SVEN
             import:         from AS8359 accept ANY
             import:         from AS31133 accept AS31133
             import:         from AS2854 accept ANY
             import:         from AS39811 accept ANY
             import:         from AS25478 accept ANY
             import:         from AS58067 accept ANY
             import:         from AS60388 accept ANY
             import:         from AS42551 accept AS42551
             import:         from AS207382 accept AS207382
             export:         to AS58067 announce AS-SET-SVEN
             export:         to AS60388 announce AS-SET-SVEN
             export:         to AS8359 announce AS-SET-SVEN
             export:         to AS25478 announce AS-SET-SVEN
             export:         to AS39811 announce AS50477
             export:         to AS2854 announce AS50477
             export:         to AS42551 announce ANY
             export:         to AS207382 announce ANY
             export:         to AS25478 announce AS-SET-SVEN
             export:         to AS25478 announce AS-SET-IPV6-SVEN
             export:         to AS50384 announce AS-SET-SVEN
             export:         to AS50384 announce AS-SET-IPV6-SVEN
             admin-c:        SOUR2-RIPE
             tech-c:         SOUR2-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         MNT-SVEN
             created:        2010-01-25T10:11:32Z
             last-modified:  2026-05-12T11:47:07Z
             source:         RIPE # Filtered
             
             organisation:   ORG-SL255-RIPE
             org-name:       Svyaz-Energo Ltd.
             country:        RU
             reg-nr:         1084401003807
             org-type:       LIR
             address:        Energetikov street building 5
             address:        156014
             address:        Kostroma
             address:        RUSSIAN FEDERATION
             phone:          +74942450303
             fax-no:         +74942450303
             abuse-c:        SA30960-RIPE
             mnt-ref:        RIPE-NCC-HM-MNT
             mnt-ref:        MNT-SVEN
             mnt-by:         RIPE-NCC-HM-MNT
             mnt-by:         MNT-SVEN
             created:        2009-12-08T11:59:35Z
             last-modified:  2026-05-13T07:17:15Z
             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 (DEXTER)