Report for 204961

Name

ON4-AS - ON4 sp. z o.o., PL

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.

204961 ON4-AS - ON4 sp. z o.o., PL

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS29535         MIX2_OpenPeering - Orange Polska Spolka Akcyjna, PL

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
71264 AS204961       ORIGIN  Originate:        256 /24.00  Transit:          0 /0.00  ON4-AS - ON4 sp. z o.o., PL

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       %
63047 AS204961      ON4-AS - ON4 sp. z o.o., PL                        1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  193.228.174.0/24     4777 2497 1299 29535 204961   

Prefixes added and withdrawn by this origin AS in the past 7 days.

    + 193.228.174.0/24            Announced

Whois Entry

whois: 402625

IANA has recorded AS204961 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS204961\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 'AS204961'
             
             % Abuse contact for 'AS204961' is 'abuse@on4.pl'
             
             aut-num:        AS204961
             as-name:        ON4-AS
             org:            ORG-OSZO48-RIPE
             sponsoring-org: ORG-TS16-RIPE
             import:         from AS5617 accept ANY
             export:         to AS5617 announce AS204961
             import:         from AS35179 accept ANY
             export:         to AS35179 announce AS204961
             import:         from AS20804 accept ANY
             export:         to AS20804 announce AS204961
             admin-c:        IG346-RIPE
             tech-c:         PB26251-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         MNT-EXATEL
             created:        2025-12-09T08:20:50Z
             last-modified:  2026-03-31T09:01:28Z
             source:         RIPE
             
             organisation:   ORG-OSZO48-RIPE
             org-name:       ON4 sp. z o.o.
             country:        PL
             reg-nr:         541492406
             org-type:       OTHER
             address:        ul. RZEPICHY, nr 8, lok. 74, 03-246 Warszawa
             abuse-c:        ACRO62676-RIPE
             mnt-ref:        MNT-EXATEL
             mnt-by:         MNT-EXATEL
             created:        2025-12-04T13:27:34Z
             last-modified:  2026-05-19T10:38:57Z
             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.
             % For more information, see
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             % This query was served by the RIPE Database Query Service version 1.122.1 (BUSA)