Report for 203966

Name

a1-as - A1 Internet BV, 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.

203966 A1-AS, NL

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS28685         ASN-ROUTIT, NL
    AS211251        A1-DC, NL

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
55539 AS203966       ORIGIN  Originate:        512 /23.00  Transit:          0 /0.00  A1-AS, 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       %
62908 AS203966      A1-AS, NL                                          1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  213.171.70.0/23      6939 211251 203966     

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

AS203966   1 More Specifics   1 Total Advertisements   A1-AS, NL
    213.171.70.0/23               213.171.64.0/19

Whois Entry

whois: 402590

IANA has recorded AS203966 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS203966\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 'AS203940 - AS205662'
             
             as-block:       AS203940 - AS205662
             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:        2026-03-05T15:29:31Z
             last-modified:  2026-03-05T15:29:31Z
             source:         RIPE
             
             % Information related to 'AS203966'
             
             % Abuse contact for 'AS203966' is 'harry@a1.nl'
             
             aut-num:        AS203966
             as-name:        a1-as
             org:            ORG-BoLB1-RIPE
             import:         from AS28685 accept ANY
             import:         from AS211251 accept ANY
             export:         to AS28685 announce AS203966
             export:         to AS211251 announce AS203966
             admin-c:        JJ4842-RIPE
             admin-c:        HD1386-RIPE
             tech-c:         jj4842-RIPE
             tech-c:         HD1386-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         A1-LIR-MNT
             created:        2015-09-22T10:16:22Z
             last-modified:  2024-10-09T14:49:49Z
             source:         RIPE # Filtered
             
             organisation:   ORG-BoLB1-RIPE
             org-name:       A1 Internet BV
             country:        NL
             reg-nr:         06055421
             org-type:       LIR
             address:        Abelenstra Boulevard 52-10
             address:        8448JB
             address:        Heerenveen
             address:        NETHERLANDS
             phone:          +31 513 646493
             fax-no:         +31 513 744052
             abuse-c:        AR16125-RIPE
             admin-c:        JJ4842-RIPE
             admin-c:        MK3766-RIPE
             mnt-ref:        A1-LIR-MNT
             mnt-ref:        RIPE-NCC-HM-MNT
             mnt-by:         RIPE-NCC-HM-MNT
             mnt-by:         A1-LIR-MNT
             created:        2004-04-17T11:39:53Z
             last-modified:  2026-05-13T07:22:36Z
             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 1.122.1 (BUSA)