Report for 51941

Name

BASEN-EU - BaseN Oy, FI

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.

51941 BASEN-EU, FI

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS2914          NTT-LTD-2914, US
    AS6667          EUNET-FINLAND, FI
    AS174           COGENT-174, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
25627 AS51941        ORIGIN  Originate:       2048 /21.00  Transit:          0 /0.00  BASEN-EU, FI

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       %
47839 AS51941       BASEN-EU, FI                                       5      0      0      5      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  46.183.72.0/23       7018 174 51941         
  46.183.74.0/23       37100 6667 51941       
  46.183.76.0/23       7018 174 51941         
  46.183.78.0/24       2914 51941             
  185.128.255.0/24     37100 6667 51941       

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

AS51941   5 More Specifics   5 Total Advertisements   BASEN-EU, FI
    46.183.72.0/23                46.183.72.0/21
    46.183.74.0/23                46.183.72.0/21
    46.183.76.0/23                46.183.72.0/21
    46.183.78.0/24                46.183.72.0/21
    185.128.255.0/24              185.128.252.0/22

Whois Entry

whois: 402590

IANA has recorded AS51941 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS51941\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 'AS51857 - AS52209'
             
             as-block:       AS51857 - AS52209
             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:        2024-12-12T14:34:06Z
             last-modified:  2024-12-12T14:34:06Z
             source:         RIPE
             
             % Information related to 'AS51941'
             
             % Abuse contact for 'AS51941' is 'abuse@basen.net'
             
             aut-num:        AS51941
             as-name:        BASEN-EU
             org:            ORG-BC19-RIPE
             import:         from AS174 accept ANY
             import:         from AS2914 accept ANY
             import:         from AS6667 accept ANY
             export:         to AS174 announce AS51941
             export:         to AS2914 announce AS51941
             export:         to AS6667 announce AS51941
             admin-c:        KJN-RIPE
             tech-c:         KJN-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         MNT-BASEN
             created:        2010-12-03T08:36:08Z
             last-modified:  2025-07-02T11:53:12Z
             source:         RIPE # Filtered
             
             organisation:   ORG-BC19-RIPE
             org-name:       BaseN Oy
             country:        FI
             reg-nr:         1737550-3
             org-type:       LIR
             address:        Salmisaarenaukio 1
             address:        00180
             address:        Helsinki
             address:        FINLAND
             phone:          +358 9 8562 6653
             mnt-ref:        MNT-BASEN
             mnt-ref:        RIPE-NCC-HM-MNT
             mnt-by:         RIPE-NCC-HM-MNT
             mnt-by:         MNT-BASEN
             admin-c:        KJN-RIPE
             admin-c:        PH21
             abuse-c:        BNA-RIPE
             created:        2008-04-11T14:15:03Z
             last-modified:  2026-05-13T07:32:17Z
             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 (ABERDEEN)