Report for 201447

Name

AS_CNB - The Czech National Bank, CZ

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.

201447 AS_CNB - The Czech National Bank, CZ

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS6855          SK-TELEKOM - Slovak Telekom, a.s., SK

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
39628 AS201447       ORIGIN  Originate:       1024 /22.00  Transit:          0 /0.00  AS_CNB - The Czech National Bank, CZ

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       %
26998 AS201447      AS_CNB - The Czech National Bank, CZ               4      2      1      3      1  25.00%


  Prefix               AS Path                              Aggregation Suggestion
  193.84.155.0/24      4777 2516 3320 6855 201447   
  193.84.156.0/23      4777 2516 3320 6855 201447 + Announce - aggregate of 193.84.156.0/24 (4777 2516 3320 6855 201447) and 193.84.157.0/24 (4777 2516 3320 6855 201447)
  193.84.156.0/24      4777 2516 3320 6855 201447 - Withdrawn - aggregated with 193.84.157.0/24 (4777 2516 3320 6855 201447)
  193.84.157.0/24      4777 2516 3320 6855 201447 - Withdrawn - aggregated with 193.84.156.0/24 (4777 2516 3320 6855 201447)
  193.84.159.0/24      4777 2516 3320 6855 201447   

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

AS201447   4 More Specifics   4 Total Advertisements   AS_CNB - The Czech National Bank, CZ
    193.84.155.0/24               193.84.144.0/20
    193.84.156.0/24               193.84.144.0/20
    193.84.157.0/24               193.84.144.0/20
    193.84.159.0/24               193.84.144.0/20

Whois Entry

whois: 402609

IANA has recorded AS201447 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS201447\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 'AS201447'
             
             % Abuse contact for 'AS201447' is 'abuse@cnb.cz'
             
             aut-num:        AS201447
             as-name:        AS_CNB
             org:            ORG-TCNB1-RIPE
             import:         from AS5588 accept ANY
             export:         to AS5588 announce AS201447
             import:         from AS6855 accept ANY
             export:         to AS6855 announce AS201447
             admin-c:        MZ1401-RIPE
             tech-c:         MZ1401-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         MNT-CNB
             created:        2022-11-09T14:41:02Z
             last-modified:  2022-11-09T14:41:02Z
             source:         RIPE
             
             organisation:   ORG-TCNB1-RIPE
             org-name:       The Czech National Bank
             country:        CZ
             reg-nr:         48136450
             org-type:       LIR
             address:        Na Prikope 28
             address:        115 03
             address:        Praha 1
             address:        CZECH REPUBLIC
             phone:          +420224414334
             fax-no:         +420224412133
             abuse-c:        CNB13-CZ
             mnt-ref:        RIPE-NCC-HM-MNT
             mnt-ref:        MNT-CNB
             mnt-by:         RIPE-NCC-HM-MNT
             mnt-by:         MNT-CNB
             created:        2013-08-05T14:32:19Z
             last-modified:  2026-05-13T07:25:00Z
             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)