Report for 204171

Name

TD-K, DK

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.

204171 TD-K, DK

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS3292          TDC TDC AS, DK

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
40330 AS204171       ORIGIN  Originate:       1024 /22.00  Transit:          0 /0.00  TD-K, DK

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       %
14307 AS204171      TD-K, DK                                           4      4      1      1      3  75.00%


  Prefix               AS Path                              Aggregation Suggestion
  185.103.120.0/22     4777 2497 3292 204171 + Announce - aggregate of 185.103.120.0/23 (4777 2497 3292 204171) and 185.103.122.0/23 (4777 2497 3292 204171)
  185.103.120.0/24     4777 2497 3292 204171 - Withdrawn - aggregated with 185.103.121.0/24 (4777 2497 3292 204171)
  185.103.121.0/24     4777 2497 3292 204171 - Withdrawn - aggregated with 185.103.120.0/24 (4777 2497 3292 204171)
  185.103.122.0/24     4777 2497 3292 204171 - Withdrawn - aggregated with 185.103.123.0/24 (4777 2497 3292 204171)
  185.103.123.0/24     4777 2497 3292 204171 - Withdrawn - aggregated with 185.103.122.0/24 (4777 2497 3292 204171)

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

AS204171   4 More Specifics   4 Total Advertisements   TD-K, DK
    185.103.120.0/24              185.103.120.0/22
    185.103.121.0/24              185.103.120.0/22
    185.103.122.0/24              185.103.120.0/22
    185.103.123.0/24              185.103.120.0/22

Whois Entry

whois: 402332

IANA has recorded AS204171 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS204171\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 'AS204171'
             
             % Abuse contact for 'AS204171' is 'info@td-k.dk'
             
             aut-num:        AS204171
             as-name:        TD-K
             org:            ORG-TA912-RIPE
             import:         from AS31027 accept ANY
             export:         to AS31027 announce AS204171
             import:         from AS3292 accept ANY
             export:         to AS3292 announce AS204171
             admin-c:        JS16940-RIPE
             tech-c:         IR2144-RIPE
             admin-c:        IR2144-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         dk-td-k-1-mnt
             created:        2015-08-06T12:07:13Z
             last-modified:  2025-11-24T08:55:10Z
             source:         RIPE
             
             organisation:   ORG-TA912-RIPE
             org-name:       TD-K A/S
             country:        DK
             org-type:       LIR
             address:        Rugbjergvej 10
             address:        4623
             address:        Lille Skensved
             address:        DENMARK
             phone:          +45 70266900
             admin-c:        JS16940-RIPE
             tech-c:         IR2144-RIPE
             abuse-c:        AR32388-RIPE
             mnt-ref:        dk-td-k-1-mnt
             mnt-by:         RIPE-NCC-HM-MNT
             mnt-by:         dk-td-k-1-mnt
             mnt-ref:        RIPE-NCC-HM-MNT
             created:        2015-06-05T14:12:22Z
             last-modified:  2025-11-24T08:55:59Z
             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 (BUSA)