Report for 43740

Name

ZTK-AS - Secure Telecommunication LLC, 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.

43740 ZTK-AS - Secure Telecommunication LLC, RU

  Adjacency:     4  Upstream:     4  Downstream:     0
  Upstream Adjacent AS list
    AS3216          SOVAM-AS - PJSC "Vimpelcom", RU
    AS8359          MTS - MTS PJSC, RU
    AS59692         IQWEB - IQWeb FZ-LLC, AE
    AS12389         ROSTELECOM-AS - PJSC Rostelecom, RU

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
23327 AS43740        ORIGIN  Originate:       2304 /20.83  Transit:          0 /0.00  ZTK-AS - Secure Telecommunication LLC, 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       %
16766 AS43740       ZTK-AS - Secure Telecommunication LLC, RU          8      4      2      6      2  25.00%


  Prefix               AS Path                              Aggregation Suggestion
  185.149.160.0/23     4777 6939 12389 43740 + Announce - aggregate of 185.149.160.0/24 (4777 6939 12389 43740) and 185.149.161.0/24 (4777 6939 12389 43740)
  185.149.160.0/24     4777 6939 12389 43740 - Withdrawn - aggregated with 185.149.161.0/24 (4777 6939 12389 43740)
  185.149.161.0/24     4777 6939 12389 43740 - Withdrawn - aggregated with 185.149.160.0/24 (4777 6939 12389 43740)
  185.149.162.0/23     4777 2497 8359 43740 + Announce - aggregate of 185.149.162.0/24 (4777 2497 8359 43740) and 185.149.163.0/24 (4777 2497 8359 43740)
  185.149.162.0/24     4777 2497 8359 43740 - Withdrawn - aggregated with 185.149.163.0/24 (4777 2497 8359 43740)
  185.149.163.0/24     4777 2497 8359 43740 - Withdrawn - aggregated with 185.149.162.0/24 (4777 2497 8359 43740)
  185.179.224.0/24     4777 6939 12389 43740   
  185.179.226.0/23     4777 6939 12389 43740   
  185.179.226.0/24     4608 7575 2914 59692 43740   
  194.140.247.0/24     4777 6939 12389 43740   

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

AS43740   7 More Specifics   8 Total Advertisements   ZTK-AS - Secure Telecommunication LLC, RU
    185.149.160.0/24              185.149.160.0/22
    185.149.161.0/24              185.149.160.0/22
    185.149.162.0/24              185.149.160.0/22
    185.149.163.0/24              185.149.160.0/22
    185.179.224.0/24              185.179.224.0/22
    185.179.226.0/23              185.179.224.0/22
    185.179.226.0/24              185.179.224.0/22

Whois Entry

whois: 402609

IANA has recorded AS43740 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS43740\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 'AS43075 - AS44168'
             
             as-block:       AS43075 - AS44168
             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:        2023-12-11T15:09:58Z
             last-modified:  2023-12-11T15:09:58Z
             source:         RIPE
             
             % Information related to 'AS43740'
             
             % Abuse contact for 'AS43740' is 'abuse@zonatelecom.ru'
             
             aut-num:        AS43740
             as-name:        ZTK-AS
             org:            ORG-STL140-RIPE
             import:         from AS3216 accept ANY
             export:         to AS3216 announce AS43740
             import:         from AS12389 accept ANY
             export:         to AS12389 announce AS43740
             import:         from AS35401 accept ANY
             export:         to AS35401 announce AS43740
             import:         from AS8359 accept ANY
             export:         to AS8359 announce AS43740
             import:         from AS199599 accept ANY
             export:         to AS199599 announce AS43740
             import:         from AS29226 accept ANY
             export:         to AS29226 announce AS43740
             import:         from AS57724 accept ANY
             export:         to AS57724 announce AS43740
             import:         from AS201706 accept ANY
             export:         to AS201706 announce AS43740
             admin-c:        MA25247-RIPE
             tech-c:         MA25247-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         lir-ru-ztk-1-MNT
             created:        2016-12-22T10:47:14Z
             last-modified:  2025-12-23T22:10:55Z
             source:         RIPE
             
             organisation:   ORG-STL140-RIPE
             org-name:       Secure Telecommunication LLC
             country:        RU
             reg-nr:         1207100006332
             org-type:       LIR
             address:        Pushkinskaya 23
             address:        300041
             address:        Tula
             address:        RUSSIAN FEDERATION
             phone:          +74872604321
             admin-c:        MA25247-RIPE
             tech-c:         MA25247-RIPE
             abuse-c:        AR67570-RIPE
             mnt-ref:        lir-ru-ztk-1-MNT
             mnt-by:         RIPE-NCC-HM-MNT
             mnt-by:         lir-ru-ztk-1-MNT
             created:        2022-02-08T10:42:19Z
             last-modified:  2026-05-13T07:39:05Z
             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 (BUSA)