Report for 211851

Name

WEB9-YAZILIM-BILISIM-HIZMETLERI, 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.

211851 WEB9-YAZILIM-BILISIM-HIZMETLERI, TR

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS44547         NETUNDWEB TELEKOMUNIKASYON TICARET LIMITED SIRKETI, TR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
56036 AS211851       ORIGIN  Originate:        512 /23.00  Transit:          0 /0.00  WEB9-YAZILIM-BILISIM-HIZMETLERI, 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       %
28009 AS211851      WEB9-YAZILIM-BILISIM-HIZMETLERI, TR                2      2      1      1      1  50.00%


  Prefix               AS Path                              Aggregation Suggestion
  37.221.76.0/23       4777 2497 2914 212477 209451 44547 211851 + Announce - aggregate of 37.221.76.0/24 (4777 2497 2914 212477 209451 44547 211851) and 37.221.77.0/24 (4777 2497 2914 212477 209451 44547 211851)
  37.221.76.0/24       4777 2497 2914 212477 209451 44547 211851 - Withdrawn - aggregated with 37.221.77.0/24 (4777 2497 2914 212477 209451 44547 211851)
  37.221.77.0/24       4777 2497 2914 212477 209451 44547 211851 - Withdrawn - aggregated with 37.221.76.0/24 (4777 2497 2914 212477 209451 44547 211851)

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

AS211851   2 More Specifics   2 Total Advertisements   WEB9-YAZILIM-BILISIM-HIZMETLERI, TR
    37.221.76.0/24                37.221.76.0/22
    37.221.77.0/24                37.221.76.0/22

Whois Entry

whois: 402332

IANA has recorded AS211851 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS211851\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 'AS208189 - AS214345'
             
             as-block:       AS208189 - AS214345
             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:        2026-02-12T14:40:05Z
             last-modified:  2026-02-12T14:40:05Z
             source:         RIPE
             
             % Information related to 'AS211851'
             
             % Abuse contact for 'AS211851' is 'abuse@w9.com.tr'
             
             aut-num:        AS211851
             as-name:        WEB9-YAZILIM-BILISIM-HIZMETLERI
             remarks:        Website: https://w9.com.tr
             org:            ORG-WA796-RIPE
             sponsoring-org: ORG-ICL64-RIPE
             admin-c:        WA2550-RIPE
             tech-c:         WA2550-RIPE
             import:         from AS44547 accept ANY
             export:         to AS44547 announce AS211851
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         WEB9-MNT
             created:        2025-03-06T10:57:04Z
             last-modified:  2025-12-07T13:02:25Z
             source:         RIPE
             
             organisation:   ORG-WA796-RIPE
             org-name:       SECKIN CAN CELENK trading as RODOS MEDYA
             org-type:       OTHER
             address:        SERHAT MAH. 1318. SK. NO: 1/8, ANKARA, YENIMAHALLE, 06374, TR
             country:        TR
             phone:          +90 850 304 0612
             abuse-c:        WA2550-RIPE
             mnt-ref:        WEB9-MNT
             mnt-ref:        IPXO-MNT
             mnt-ref:        INFERNO-MNT
             mnt-by:         WEB9-MNT
             mnt-by:         netutils-mnt
             created:        2024-10-31T09:22:34Z
             last-modified:  2025-03-13T12:26:17Z
             source:         RIPE # Filtered
             
             role:           Web9 Yazilim ve Bilisim Hizmetleri
             remarks:        SECKIN CAN CELENK
             address:        SERHAT MAH. 1318. SK. NO: 1/8, ANKARA, YENIMAHALLE, 06374, TR
             phone:          +90 850 304 0612
             abuse-mailbox:  abuse@w9.com.tr
             nic-hdl:        WA2550-RIPE
             mnt-by:         WEB9-MNT
             created:        2024-10-31T09:20:26Z
             last-modified:  2025-02-13T00:20:06Z
             source:         RIPE # Filtered
             
             % This query was served by the RIPE Database Query Service version 1.121.2 (ABERDEEN)