Report for 204165

Name

CZNETSRO-AS, 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.

204165 CZNETSRO-AS, CZ

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS16019         VODAFONE-CZ-AS, CZ

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
26709 AS204165       ORIGIN  Originate:       2048 /21.00  Transit:          0 /0.00  CZNETSRO-AS, 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       %
62827 AS204165      CZNETSRO-AS, CZ                                    2      0      0      2      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  185.102.96.0/22      4777 2516 1273 16019 204165   
  185.112.164.0/22     4777 2516 1273 16019 204165   

Whois Entry

whois: 402332

IANA has recorded AS204165 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS204165\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 'AS203940 - AS205662'
             
             as-block:       AS203940 - AS205662
             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:        2026-03-05T15:29:31Z
             last-modified:  2026-03-05T15:29:31Z
             source:         RIPE
             
             % Information related to 'AS204165'
             
             % Abuse contact for 'AS204165' is 'abuse@cznet.cz'
             
             aut-num:        AS204165
             as-name:        CZNETSRO-AS
             org:            ORG-CS370-RIPE
             import:         from AS15685 accept ANY
             import:         from AS29208 accept ANY
             import:         from AS6830 accept ANY
             export:         to AS29208 announce AS204165
             export:         to AS15685 announce AS204165
             export:         to AS6830 announce AS204165
             admin-c:        VUCZ2-RIPE
             tech-c:         VUCZ2-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         CZNETSRO-RIPE-MNT
             created:        2015-08-07T12:54:47Z
             last-modified:  2019-11-11T14:22:33Z
             source:         RIPE
             
             organisation:   ORG-CS370-RIPE
             org-name:       Cznet s.r.o.
             country:        CZ
             org-type:       LIR
             address:        Ke Stírce 1837/52
             address:        18200
             address:        Praha 8
             address:        CZECH REPUBLIC
             phone:          +420226517205
             admin-c:        VUCZ2-RIPE
             tech-c:         VUCZ2-RIPE
             abuse-c:        AR32897-RIPE
             mnt-ref:        RIPE-NCC-HM-MNT
             mnt-ref:        CZNETSRO-RIPE-MNT
             mnt-by:         RIPE-NCC-HM-MNT
             mnt-by:         CZNETSRO-RIPE-MNT
             created:        2015-07-15T07:24:23Z
             last-modified:  2025-12-18T09:31:40Z
             source:         RIPE # Filtered
             
             person:         Tech Support
             address:        Ke Stírce 1837/52
             address:        18200
             address:        Praha 8
             address:        CZECH REPUBLIC
             phone:          +420226517205
             nic-hdl:        VUCZ2-RIPE
             mnt-by:         CZNETSRO-RIPE-MNT
             created:        2015-07-31T07:32:37Z
             last-modified:  2025-12-18T09:58:28Z
             source:         RIPE # Filtered
             
             % This query was served by the RIPE Database Query Service version 1.121.2 (DEXTER)