Report for 201618

Name

IBB - Istanbul Metropolitan Municipality, 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.

201618 IBB - Istanbul Metropolitan Municipality, TR

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS9121          TTNet - Turk Telekomunikasyon Anonim Sirketi, TR
    AS34984         TELLCOM-AS - Superonline Iletisim Hizmetleri A.S., TR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
33652 AS201618       ORIGIN  Originate:       1280 /21.68  Transit:          0 /0.00  IBB - Istanbul Metropolitan Municipality, 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       %
27016 AS201618      IBB - Istanbul Metropolitan Municipality, TR       4      1      0      3      1  25.00%


  Prefix               AS Path                              Aggregation Suggestion
  185.68.221.0/24      4777 2516 3257 34984 201618   
  185.68.222.0/23      4777 2516 3257 34984 201618   
  185.68.222.0/24      4777 2497 9121 201618   
  185.68.223.0/24      4777 2516 3257 34984 201618 - Withdrawn - matching aggregate 185.68.222.0/23 4777 2516 3257 34984 201618

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

AS201618   4 More Specifics   4 Total Advertisements   IBB - Istanbul Metropolitan Municipality, TR
    185.68.221.0/24               185.68.220.0/22
    185.68.222.0/23               185.68.220.0/22
    185.68.222.0/24               185.68.220.0/22
    185.68.223.0/24               185.68.220.0/22

Whois Entry

whois: 402609

IANA has recorded AS201618 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS201618\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 'AS200537 - AS203022'
             
             as-block:       AS200537 - AS203022
             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:        2026-04-08T13:28:00Z
             last-modified:  2026-04-08T13:28:00Z
             source:         RIPE
             
             % Information related to 'AS201618'
             
             % Abuse contact for 'AS201618' is 'abuse@ibb.gov.tr'
             
             aut-num:        AS201618
             as-name:        IBB
             org:            ORG-IMM3-RIPE
             admin-c:        INA25-RIPE
             tech-c:         INA25-RIPE
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         IBB34-MNT
             import:         from AS9121 accept ANY
             import:         from AS34984 accept ANY
             export:         to AS9121 announce AS201618
             export:         to AS34984 announce AS201618
             status:         ASSIGNED
             created:        2014-09-03T11:20:09Z
             last-modified:  2018-09-04T11:28:32Z
             source:         RIPE
             
             organisation:   ORG-IMM3-RIPE
             org-name:       Istanbul Metropolitan Municipality
             country:        TR
             reg-nr:         Not Applicable
             org-type:       LIR
             address:        Kasimpasa Ek Hizmet Binasi
                             Haciahmet Mahallesi Muhsin Yazicioglu Cad. No:1 Beyoglu
             address:        34440
             address:        ISTANBUL
             address:        TURKEY
             phone:          +902124494520
             fax-no:         +902124494526
             abuse-c:        AC28821-RIPE
             mnt-ref:        RIPE-NCC-HM-MNT
             mnt-ref:        IBB34-MNT
             mnt-by:         RIPE-NCC-HM-MNT
             mnt-by:         IBB34-MNT
             created:        2014-07-24T14:38:45Z
             last-modified:  2026-05-13T07:13:11Z
             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)