Report for 208820

Name

DEPARTEMENT-SEINE-SAINT-DENIS - DEPARTEMENT DE LA SEINE-SAINT-DENIS, FR

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.

208820 DEPARTEMENT-SEINE-SAINT-DENIS, FR

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS48817         PRIZZTEL, FR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
26996 AS208820       ORIGIN  Originate:       2048 /21.00  Transit:          0 /0.00  DEPARTEMENT-SEINE-SAINT-DENIS, FR

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       %
11305 AS208820      DEPARTEMENT-SEINE-SAINT-DENIS, FR                  5      4      0      1      4  80.00%


  Prefix               AS Path                              Aggregation Suggestion
  185.243.156.0/22     6939 48817 208820      
  185.243.156.0/24     6939 48817 208820    - Withdrawn - matching aggregate 185.243.156.0/22 6939 48817 208820
  185.243.157.0/24     6939 48817 208820    - Withdrawn - matching aggregate 185.243.156.0/22 6939 48817 208820
  185.243.158.0/24     6939 48817 208820    - Withdrawn - matching aggregate 185.243.156.0/22 6939 48817 208820
  185.243.159.0/24     6939 48817 208820    - Withdrawn - matching aggregate 185.243.156.0/22 6939 48817 208820

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

AS208820   4 More Specifics   5 Total Advertisements   DEPARTEMENT-SEINE-SAINT-DENIS, FR
    185.243.156.0/24              185.243.156.0/22
    185.243.157.0/24              185.243.156.0/22
    185.243.158.0/24              185.243.156.0/22
    185.243.159.0/24              185.243.156.0/22

Whois Entry

whois: 402603

IANA has recorded AS208820 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS208820\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 'AS208820'
             
             % Abuse contact for 'AS208820' is 'ripe@seinesaintdenis.fr'
             
             aut-num:        AS208820
             as-name:        DEPARTEMENT-SEINE-SAINT-DENIS
             org:            ORG-DDLS1-RIPE
             import:         from AS12844 accept ANY
             import:         FROM AS48817 accept ANY
             import:         FROM AS15557 accept ANY
             export:         to AS15557 announce AS208820
             export:         to AS12844 announce AS208820
             export:         to AS48817 announce AS208820
             admin-c:        MA22675-RIPE
             admin-c:        AA42761-RIPE
             tech-c:         MA22675-RIPE
             tech-c:         AA42761-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         mnt-fr-cd93-1
             created:        2019-05-29T10:41:27Z
             last-modified:  2026-06-10T09:01:46Z
             source:         RIPE
             
             organisation:   ORG-DDLS1-RIPE
             org-name:       DEPARTEMENT DE LA SEINE-SAINT-DENIS
             country:        FR
             reg-nr:         Not Applicable
             org-type:       LIR
             address:        Hôtel du Département - Esplanade Jean-Moulin
             address:        93000
             address:        BOBIGNY
             address:        FRANCE
             phone:          +33 143939393
             admin-c:        MA22675-RIPE
             admin-c:        AA42761-RIPE
             tech-c:         MA22675-RIPE
             tech-c:         AA42761-RIPE
             abuse-c:        AR52913-RIPE
             mnt-ref:        mnt-fr-cd93-1
             mnt-by:         RIPE-NCC-HM-MNT
             mnt-by:         mnt-fr-cd93-1
             created:        2019-05-28T07:46:54Z
             last-modified:  2026-05-13T07:03:18Z
             source:         RIPE # Filtered
             
             %ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
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             % This query was served by the RIPE Database Query Service version 1.122.1 (ABERDEEN)