Report for 201594

Name

CTU_AS4 - Czech Telecommunication Office, 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 AS6447) 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.

201594 CTU_AS4 NIX., CZ

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS6939          HURRICANE, US
    AS25248         BLUETONE-AS The Czech Republic, CZ

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
70584 AS201594       ORIGIN  Originate:        256 /24.00  Transit:          0 /0.00  CTU_AS4 NIX., 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       %
61687 AS201594      CTU_AS4 NIX., CZ                                   1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  185.68.215.0/24      6939 201594            

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

AS201594   1 More Specifics   1 Total Advertisements   CTU_AS4 NIX., CZ
    185.68.215.0/24               185.68.212.0/22

Whois Entry

whois: 402603

IANA has recorded AS201594 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS201594\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 'AS201594'
             
             % Abuse contact for 'AS201594' is 'schmieds@ctu.cz'
             
             aut-num:        AS201594
             as-name:        CTU_AS4
             org:            ORG-CTO1-RIPE
             admin-c:        SS41216-RIPE
             tech-c:         JK16414-RIPE
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         SUPER-CTU
             import:         from AS5588 accept ANY
             descr:          NIX.CZ
             import:         from AS6881 accept ANY
             import:         from AS47200 accept ANY
             export:         to AS5588 announce AS201594
             descr:          NIX.CZ
             export:         to AS6881 announce AS201594
             export:         to AS47200 announce AS201594
             status:         ASSIGNED
             created:        2014-09-12T09:04:28Z
             last-modified:  2025-07-04T09:49:59Z
             source:         RIPE
             
             organisation:   ORG-CTO1-RIPE
             org-name:       Czech Telecommunication Office
             country:        CZ
             reg-nr:         Not Applicable
             org-type:       LIR
             address:        Sokolovska 219
             address:        19000
             address:        Prague
             address:        CZECH REPUBLIC
             phone:          +420224004601
             fax-no:         +420224004827
             abuse-c:        AC28632-RIPE
             mnt-ref:        SUPER-CTU
             mnt-ref:        RIPE-NCC-HM-MNT
             mnt-by:         RIPE-NCC-HM-MNT
             mnt-by:         SUPER-CTU
             created:        2014-08-11T09:41:33Z
             last-modified:  2026-05-13T07:13:32Z
             source:         RIPE # Filtered
             admin-c:        SS41216-RIPE
             
             %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)