Report for 213642

Name

CORETTECH --- Upstreams ---, 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.

213642 CORETTECH --- Upstreams ---, TR

  Adjacency:     4  Upstream:     1  Downstream:     3
  Upstream Adjacent AS list
    AS5405          INTERDOTLINK powered by Inter.link, DE
  Downstream Adjacent AS list
    AS212692        SCOPESKY-INT, IQ
    AS212088        NBTEL-UPSTREAM ********* PATH **************, IQ
    AS329263        Libyan-Spider-for-IT-LTD, LY

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
73233 AS213642       ORG+TRN Originate:        256 /24.00  Transit:       2304 /20.83 CORETTECH --- Upstreams ---, 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       %
67762 AS213642      CORETTECH --- Upstreams ---, TR                    1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  156.229.62.0/24      4777 2497 2914 5405 213642   

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

AS213642   1 More Specifics   1 Total Advertisements   CORETTECH --- Upstreams ---, TR
    156.229.62.0/24               156.224.0.0/11

Whois Entry

whois: 402332

IANA has recorded AS213642 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS213642\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 'AS213642'
             
             % Abuse contact for 'AS213642' is 'info@coretechnologys.com'
             
             aut-num:        AS213642
             as-name:        CORETTECH
             org:            ORG-CBHS1-RIPE
             descr:          --- Upstreams ---
             import:         from AS6204 accept ANY
             export:         to AS6204 announce AS213642:AS-CORETECH
             import:         from AS3257 accept ANY
             export:         to AS3257 announce AS213642:AS-CORETECH
             import:         from AS5405 accept ANY
             export:         to AS5405 announce AS213642:AS-CORETECH
             descr:          --- Customers ---
             import:         from AS212088 accept AS212088
             export:         to AS212088 announce ANY
             import:         from AS212692 accept AS212692
             export:         to AS212692 announce ANY
             import:         from AS329263 accept AS329263
             export:         to AS329263 announce ANY
             import:         from AS210021 accept AS210021
             export:         to AS210021 announce ANY
             admin-c:        TA9303-RIPE
             tech-c:         TA9303-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         lir-tr-coretectnologys-1-MNT
             created:        2025-01-02T10:26:40Z
             last-modified:  2026-02-13T13:57:02Z
             source:         RIPE
             
             organisation:   ORG-CBHS1-RIPE
             org-name:       Coretech Bilisim Hizmetleri Sanayi Ticaret Limited Sirketi
             country:        TR
             org-type:       LIR
             address:        Baris Neighbour. Belediye Street. No: 28 Door N0: 4
             address:        44001
             address:        Beylikduzu, Istanbul
             address:        TURKEY
             phone:          +905010756008
             admin-c:        TA9303-RIPE
             tech-c:         TA9303-RIPE
             abuse-c:        AR77485-RIPE
             mnt-ref:        lir-tr-coretectnologys-1-MNT
             mnt-by:         RIPE-NCC-HM-MNT
             mnt-by:         lir-tr-coretectnologys-1-MNT
             created:        2024-12-30T11:20:20Z
             last-modified:  2024-12-30T11:20:20Z
             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.
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             % This query was served by the RIPE Database Query Service version 1.121.2 (BUSA)