Report for 44028

Name

sestek - Sestek Ses ve Iletisim Bilgisayar Teknolojileri San. ve Tic. A.S., TR

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.

44028 sestek - Sestek Ses ve Iletisim Bilgisayar Teknolojileri San. ve Tic. A.S., TR

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS34984         TELLCOM-AS - Superonline Iletisim Hizmetleri A.S., TR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
50123 AS44028        ORIGIN  Originate:        512 /23.00  Transit:          0 /0.00  sestek - Sestek Ses ve Iletisim Bilgisayar Teknolojileri San. ve Tic. A.S., TR

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       %
22671 AS44028       sestek - Sestek Ses ve Iletisim Bilgisayar Te      2      2      1      1      1  50.00%


  Prefix               AS Path                              Aggregation Suggestion
  185.251.64.0/23      4777 2497 6453 34984 44028 + Announce - aggregate of 185.251.64.0/24 (4777 2497 6453 34984 44028) and 185.251.65.0/24 (4777 2497 6453 34984 44028)
  185.251.64.0/24      4777 2497 6453 34984 44028 - Withdrawn - aggregated with 185.251.65.0/24 (4777 2497 6453 34984 44028)
  185.251.65.0/24      4777 2497 6453 34984 44028 - Withdrawn - aggregated with 185.251.64.0/24 (4777 2497 6453 34984 44028)

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

AS44028   2 More Specifics   2 Total Advertisements   sestek - Sestek Ses ve Iletisim Bilgisayar Teknolojileri San. ve Tic. A.S., TR
    185.251.64.0/24               185.251.64.0/23
    185.251.65.0/24               185.251.64.0/23

Whois Entry

whois: 402591

IANA has recorded AS44028 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS44028\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 'AS44028'
             
             % Abuse contact for 'AS44028' is 'mehmet.arslan@sestek.com'
             
             aut-num:        AS44028
             as-name:        sestek
             org:            ORG-SSVI1-RIPE
             import:         from AS15924 accept ANY
             export:         to AS15924 announce AS44028
             import:         from AS34984 accept ANY
             export:         to AS34984 announce AS44028
             admin-c:        MA21426-RIPE
             tech-c:         MA21426-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         tr-sestek-1-mnt
             created:        2018-04-25T11:47:56Z
             last-modified:  2018-09-04T12:13:22Z
             source:         RIPE
             
             organisation:   ORG-SSVI1-RIPE
             org-name:       Sestek Ses ve Iletisim Bilgisayar Teknolojileri San. ve Tic. A.S.
             country:        TR
             reg-nr:         444529
             org-type:       LIR
             address:        Sariyer
             address:        34485
             address:        Istanbul
             address:        TURKEY
             phone:          +905492862544
             admin-c:        MA21426-RIPE
             tech-c:         MA21426-RIPE
             abuse-c:        AR45616-RIPE
             mnt-ref:        tr-sestek-1-mnt
             mnt-by:         RIPE-NCC-HM-MNT
             mnt-by:         tr-sestek-1-mnt
             created:        2018-03-20T14:12:11Z
             last-modified:  2026-05-13T07:12:26Z
             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 (BUSA)