Report for 210728

Name

CYSO-AS-DE - Cyso Group B.V., NL

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.

210728 CYSO-AS-DE CYSO-AMS, NL

  Adjacency:     6  Upstream:     5  Downstream:     1
  Upstream Adjacent AS list
    AS25151         CYSO-AS, NL
    AS37100         SEACOM-AS, MU
    AS12552         IPO-EU, SE
    AS6939          HURRICANE, US
    AS3356          LEVEL3, US
  Downstream Adjacent AS list
    AS44694         FUGA_NL_1 CYSO-FRA, NL

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
46929 AS210728       ORG+TRN Originate:        768 /22.42  Transit:       1280 /21.68 CYSO-AS-DE CYSO-AMS, NL

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       %
66434 AS210728      CYSO-AS-DE CYSO-AMS, NL                            3      0      0      3      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  77.246.243.0/24      6939 210728            
  194.26.103.0/24      6939 210728            
  213.173.39.0/24      6939 210728            

Prefixes added and withdrawn by this origin AS in the past 7 days.

    + 46.16.38.0/24               Announced

Whois Entry

whois: 402603

IANA has recorded AS210728 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS210728\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 'AS208189 - AS214345'
             
             as-block:       AS208189 - AS214345
             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:        2026-02-12T14:40:05Z
             last-modified:  2026-02-12T14:40:05Z
             source:         RIPE
             
             % Information related to 'AS210728'
             
             % Abuse contact for 'AS210728' is 'abuse@cyso.net'
             
             aut-num:        AS210728
             as-name:        CYSO-AS-DE
             org:            ORG-CGB5-RIPE
             descr:          CYSO-AMS
             import:         from AS25151 accept ANY
             export:         to AS25151 announce ANY
             descr:          LEVEL3
             import:         from AS3356 accept ANY
             export:         to AS3356 announce AS-CYSO
             descr:          DE-CIX
             import:         from AS51531 accept ANY
             export:         to AS51531 announce AS-CYSO
             descr:          FUGA
             import:         from AS44694 accept ANY
             export:         to AS44694 announce ANY
             admin-c:        CYSO-RIPE
             tech-c:         CYSO-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         CYSO-MNT
             created:        2021-09-22T12:43:19Z
             last-modified:  2023-04-19T15:34:42Z
             source:         RIPE
             
             organisation:   ORG-CGB5-RIPE
             org-name:       Cyso Group B.V.
             country:        NL
             reg-nr:         33287475
             org-type:       LIR
             address:        Wognumsebuurt 3
             address:        1817 BH
             address:        Alkmaar
             address:        NETHERLANDS
             phone:          +31727513400
             admin-c:        CYSO-RIPE
             tech-c:         CYSO-RIPE
             abuse-c:        AR63564-RIPE
             mnt-ref:        CYSO-MNT
             mnt-by:         RIPE-NCC-HM-MNT
             mnt-by:         CYSO-MNT
             created:        2021-07-07T09:11:51Z
             last-modified:  2026-05-13T07:28:56Z
             source:         RIPE # Filtered
             
             role:           Cyso Hosting B.V. Technical Role Account
             address:        Cyso Managed Hosting B.V.
             address:        Wognumsebuurt 3
             address:        1817 BH Alkmaar
             address:        The Netherlands
             phone:          +31 72 7513400
             fax-no:         +31 72 7513401
             admin-c:        TSW-RIPE
             admin-c:        SCAW666-RIPE
             admin-c:        PIJN1-RIPE
             tech-c:         TSW-RIPE
             tech-c:         PIJN1-RIPE
             tech-c:         SCAW666-RIPE
             nic-hdl:        CYSO-RIPE
             mnt-by:         CYSO-MNT
             abuse-mailbox:  abuse@cyso.net
             remarks:        --
             remarks:        Abuse issues : abuse@cyso.net
             remarks:        Other technical issues : noc@cyso.net
             remarks:        --
             created:        2002-08-05T11:12:02Z
             last-modified:  2019-11-04T12:45:28Z
             source:         RIPE # Filtered
             
             % This query was served by the RIPE Database Query Service version 1.122.1 (DEXTER)