Report for 12942

Name

NRB-AS, 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.

12942 NRB-AS, BE

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS1299          TWELVE99 Arelion, fka Telia Carrier, SE
    AS174           COGENT-174 - Cogent Communications, LLC, US
    AS3356          LEVEL3 - Level 3 Parent, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
6823  AS12942        ORIGIN  Originate:      20224 /17.70  Transit:          0 /0.00  NRB-AS, 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       %
 4381 AS12942       NRB-AS, BE                                        18     12      1      7     11  61.11%


  Prefix               AS Path                              Aggregation Suggestion
  217.117.32.0/19      4777 2516 1299 12942   
  217.117.32.0/20      4777 2516 1299 12942 - Withdrawn - matching aggregate 217.117.32.0/19 4777 2516 1299 12942
  217.117.32.0/24      4777 2516 1299 12942 - Withdrawn - matching aggregate 217.117.32.0/19 4777 2516 1299 12942
  217.117.34.0/24      4777 2516 1299 12942 - Withdrawn - matching aggregate 217.117.32.0/19 4777 2516 1299 12942
  217.117.36.0/24      4777 2516 3356 12942   
  217.117.37.0/24      4777 2516 1299 12942 - Withdrawn - matching aggregate 217.117.32.0/19 4777 2516 1299 12942
  217.117.38.0/24      4777 2516 1299 12942 - Withdrawn - matching aggregate 217.117.32.0/19 4777 2516 1299 12942
  217.117.39.0/24      4777 2516 1299 12942 - Withdrawn - matching aggregate 217.117.32.0/19 4777 2516 1299 12942
  217.117.40.0/23      4777 2516 3356 12942 + Announce - aggregate of 217.117.40.0/24 (4777 2516 3356 12942) and 217.117.41.0/24 (4777 2516 3356 12942)
  217.117.40.0/24      4777 2516 3356 12942 - Withdrawn - aggregated with 217.117.41.0/24 (4777 2516 3356 12942)
  217.117.41.0/24      4777 2516 3356 12942 - Withdrawn - aggregated with 217.117.40.0/24 (4777 2516 3356 12942)
  217.117.43.0/24      4777 2516 3356 12942   
  217.117.44.0/24      4777 2516 3356 12942   
  217.117.46.0/24      4777 2516 174 12942    
  217.117.48.0/20      4777 2516 1299 12942 - Withdrawn - matching aggregate 217.117.32.0/19 4777 2516 1299 12942
  217.117.50.0/24      4777 2516 1299 12942 - Withdrawn - matching aggregate 217.117.32.0/19 4777 2516 1299 12942
  217.117.56.0/24      4777 2516 1299 12942 - Withdrawn - matching aggregate 217.117.32.0/19 4777 2516 1299 12942
  217.117.61.0/24      4777 2497 1299 12942   
  217.117.63.0/24      4777 2516 1299 12942 - Withdrawn - matching aggregate 217.117.32.0/19 4777 2516 1299 12942

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

AS12942   15 More Specifics   18 Total Advertisements   NRB-AS, BE
    217.117.32.0/24               217.117.32.0/20
    217.117.34.0/24               217.117.32.0/20
    217.117.36.0/24               217.117.32.0/20
    217.117.37.0/24               217.117.32.0/20
    217.117.38.0/24               217.117.32.0/20
    217.117.39.0/24               217.117.32.0/20
    217.117.40.0/24               217.117.32.0/20
    217.117.41.0/24               217.117.32.0/20
    217.117.43.0/24               217.117.32.0/20
    217.117.44.0/24               217.117.32.0/20
    217.117.46.0/24               217.117.32.0/20
    217.117.50.0/24               217.117.48.0/20
    217.117.56.0/24               217.117.48.0/20
    217.117.61.0/24               217.117.48.0/20
    217.117.63.0/24               217.117.48.0/20

Whois Entry

whois: 402332

IANA has recorded AS12942 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS12942\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 'AS12557 - AS13223'
             
             as-block:       AS12557 - AS13223
             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:        2018-11-22T15:27:24Z
             last-modified:  2018-11-22T15:27:24Z
             source:         RIPE
             
             % Information related to 'AS12942'
             
             % Abuse contact for 'AS12942' is 'ripe-tech@nrb.be'
             
             aut-num:        AS12942
             as-name:        NRB-AS
             org:            ORG-NRB1-RIPE
             import:         from AS5432 accept ANY
             export:         to AS5432 announce AS12942
             import:         from AS3356 accept ANY
             export:         to AS3356 announce AS12942
             import:         from AS174 accept ANY
             export:         to AS174 announce AS12942
             admin-c:        NRB1-RIPE
             tech-c:         NRB1-RIPE
             status:         ASSIGNED
             mnt-by:         NRB-MNT
             mnt-by:         RIPE-NCC-END-MNT
             created:        1970-01-01T00:00:00Z
             last-modified:  2018-09-04T09:49:47Z
             source:         RIPE
             
             organisation:   ORG-NRB1-RIPE
             org-name:       Network Research Belgium S.A.
             country:        BE
             org-type:       LIR
             address:        Seconde Avenue, 65
                             Parc Industriel des Hauts Sarts
             address:        4040
             address:        Herstal
             address:        BELGIUM
             phone:          +32 4 2497498
             fax-no:         +32 4 2481170
             reg-nr:         0430.502.430
             abuse-c:        AR14189-RIPE
             admin-c:        NRB1-RIPE
             admin-c:        SG2027-RIPE
             admin-c:        JC445-RIPE
             mnt-ref:        NRB-MNT
             mnt-ref:        RIPE-NCC-HM-MNT
             mnt-by:         RIPE-NCC-HM-MNT
             mnt-by:         NRB-MNT
             created:        2004-04-17T11:00:35Z
             last-modified:  2026-04-29T05:21:39Z
             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 1.122 (DEXTER)