Report for 202553

Name

ODCN-NL-AS - Dienst Uitvoering Onderwijs, 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 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.

202553 ODCN-NL-AS - Dienst Uitvoering Onderwijs, NL

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS39686         AS-EUROFIBER - Eurofiber Nederland BV, NL

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
10425 AS202553       ORIGIN  Originate:       9728 /18.75  Transit:          0 /0.00  ODCN-NL-AS - Dienst Uitvoering Onderwijs, 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       %
18414 AS202553      ODCN-NL-AS - Dienst Uitvoering Onderwijs, NL      11      4      2      9      2  18.18%


  Prefix               AS Path                              Aggregation Suggestion
  147.181.4.0/22       4777 2516 3257 39686 202553   
  147.181.8.0/22       4777 2516 3257 39686 202553   
  147.181.12.0/22      4608 7575 3356 39686 202553   
  147.181.16.0/23      4777 2516 3257 39686 202553 + Announce - aggregate of 147.181.16.0/24 (4777 2516 3257 39686 202553) and 147.181.17.0/24 (4777 2516 3257 39686 202553)
  147.181.16.0/24      4777 2516 3257 39686 202553 - Withdrawn - aggregated with 147.181.17.0/24 (4777 2516 3257 39686 202553)
  147.181.17.0/24      4777 2516 3257 39686 202553 - Withdrawn - aggregated with 147.181.16.0/24 (4777 2516 3257 39686 202553)
  147.181.32.0/22      4777 2516 3257 39686 202553   
  147.181.36.0/22      4608 7575 3356 39686 202553   
  147.181.44.0/22      4777 2516 3257 39686 202553   
  147.181.48.0/21      4777 2516 3257 39686 202553 + Announce - aggregate of 147.181.48.0/22 (4777 2516 3257 39686 202553) and 147.181.52.0/22 (4777 2516 3257 39686 202553)
  147.181.48.0/22      4777 2516 3257 39686 202553 - Withdrawn - aggregated with 147.181.52.0/22 (4777 2516 3257 39686 202553)
  147.181.52.0/22      4777 2516 3257 39686 202553 - Withdrawn - aggregated with 147.181.48.0/22 (4777 2516 3257 39686 202553)
  147.181.128.0/22     4777 2516 3257 39686 202553   

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

AS202553   11 More Specifics   11 Total Advertisements   ODCN-NL-AS - Dienst Uitvoering Onderwijs, NL
    147.181.4.0/22                147.181.0.0/16
    147.181.8.0/22                147.181.0.0/16
    147.181.12.0/22               147.181.0.0/16
    147.181.16.0/24               147.181.0.0/16
    147.181.17.0/24               147.181.0.0/16
    147.181.32.0/22               147.181.0.0/16
    147.181.36.0/22               147.181.0.0/16
    147.181.44.0/22               147.181.0.0/16
    147.181.48.0/22               147.181.0.0/16
    147.181.52.0/22               147.181.0.0/16
    147.181.128.0/22              147.181.0.0/16

Whois Entry

whois: 402628

IANA has recorded AS202553 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS202553\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 'AS202553'
             
             % Abuse contact for 'AS202553' is 'noc@odc-noord.nl'
             
             aut-num:        AS202553
             as-name:        ODCN-NL-AS
             org:            ORG-DUO1-RIPE
             import:         from AS13127 accept ANY
             export:         to AS13127 announce AS-ODCN
             import:         from AS39686 accept ANY
             export:         to AS39686 announce AS-ODCN
             mp-import:      afi ipv6.unicast from AS13127 accept ANY
             mp-export:      afi ipv6.unicast to AS13127 announce AS-ODCN
             mp-import:      afi ipv6.unicast from AS39686 accept ANY
             mp-export:      afi ipv6.unicast to AS39686 announce AS-ODCN
             admin-c:        ODCN1-RIPE
             tech-c:         ODCN1-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         LOGIUS
             mnt-by:         ODCN-MNT
             created:        2016-07-26T11:40:10Z
             last-modified:  2026-04-28T14:20:34Z
             source:         RIPE # Filtered
             sponsoring-org: ORG-BL160-RIPE
             
             organisation:   ORG-DUO1-RIPE
             org-name:       Dienst Uitvoering Onderwijs
             country:        NL
             reg-nr:         Not Applicable
             org-type:       OTHER
             address:        Liverpoolweg 10
             address:        9744 TW Groningen
             address:        The Netherlands
             abuse-c:        ODCN1-RIPE
             mnt-ref:        SN-LIR-MNT
             mnt-ref:        LOGIUS
             mnt-ref:        ODCN-MNT
             mnt-by:         SN-LIR-MNT
             mnt-by:         LOGIUS
             mnt-by:         ODCN-MNT
             created:        2012-01-04T08:50:06Z
             last-modified:  2026-05-13T06:28:36Z
             source:         RIPE # Filtered
             
             role:           ODCN IP Management
             address:        Liverpoolweg 10
             address:        9744 TW Groningen
             address:        Netherlands
             abuse-mailbox:  noc@odc-noord.nl
             nic-hdl:        ODCN1-RIPE
             mnt-by:         ODCN-MNT
             created:        2016-09-14T08:44:52Z
             last-modified:  2016-09-14T08:48:46Z
             source:         RIPE # Filtered
             
             % This query was served by the RIPE Database Query Service version 1.122.1 (ABERDEEN)