Report for 209704

Name

NMBS-SNCB, BE

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.

209704 NMBS-SNCB, BE

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS19551         INCAPSULA - Incapsula Inc, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
55808 AS209704       ORIGIN  Originate:        512 /23.00  Transit:          0 /0.00  NMBS-SNCB, BE

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       %
27204 AS209704      NMBS-SNCB, BE                                      2      2      1      1      1  50.00%


  Prefix               AS Path                              Aggregation Suggestion
  185.180.44.0/23      4777 2497 4637 19551 209704 209704 + Announce - aggregate of 185.180.44.0/24 (4777 2497 4637 19551 209704 209704) and 185.180.45.0/24 (4777 2497 4637 19551 209704 209704)
  185.180.44.0/24      4777 2497 4637 19551 209704 209704 - Withdrawn - aggregated with 185.180.45.0/24 (4777 2497 4637 19551 209704 209704)
  185.180.45.0/24      4777 2497 4637 19551 209704 209704 - Withdrawn - aggregated with 185.180.44.0/24 (4777 2497 4637 19551 209704 209704)

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

AS209704   2 More Specifics   2 Total Advertisements   NMBS-SNCB, BE
    185.180.44.0/24               185.180.44.0/22
    185.180.45.0/24               185.180.44.0/22

Whois Entry

whois: 402332

IANA has recorded AS209704 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS209704\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 'AS209704'
             
             % Abuse contact for 'AS209704' is 'abuse@b-rail.be'
             
             aut-num:        AS209704
             as-name:        nmbs-sncb
             org:            ORG-NONM1-RIPE
             import:         from AS8220 accept ANY
             export:         to AS8220 announce AS209704
             import:         from AS3257 accept ANY
             export:         to AS3257 announce AS209704
             import:         from AS8928 accept ANY
             export:         to AS8928 announce AS209704
             import:         from AS19551 accept ANY
             export:         to AS19551 announce AS209704
             admin-c:        NS6474-RIPE
             tech-c:         NS6474-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         be-nmbs-sncb-1-mnt
             created:        2018-12-20T12:41:41Z
             last-modified:  2019-06-11T10:58:30Z
             source:         RIPE
             
             organisation:   ORG-NONM1-RIPE
             org-name:       NV OR NATIONALE MAATSCHAPPIJ DER BELGISCHE SPOORWEGEN
             country:        BE
             org-type:       LIR
             address:        Hallepoort 40
             address:        1060
             address:        Brussels
             address:        BELGIUM
             phone:          +32 24 32 50 09
             admin-c:        NS6474-RIPE
             tech-c:         NS6474-RIPE
             abuse-c:        AR37909-RIPE
             mnt-ref:        be-nmbs-sncb-1-mnt
             mnt-by:         RIPE-NCC-HM-MNT
             mnt-by:         be-nmbs-sncb-1-mnt
             created:        2016-10-11T07:50:54Z
             last-modified:  2021-08-18T08:34:13Z
             source:         RIPE # Filtered
             
             %ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
             %
             % Queries from your IP address have passed the daily limit of controlled objects.
             % Access from your host has been temporarily denied.
             % For more information, see
             % https://docs.db.ripe.net/FAQ/#why-did-i-receive-an-error-201-access-denied
             
             % This query was served by the RIPE Database Query Service version 1.121.2 (ABERDEEN)