Report for 204945

Name

D4T4, GB

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.

204945 D4T4, GB

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS196646        DATUM, GB
    AS51048         NEXT-CONNEX, GB

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
46525 AS204945       ORIGIN  Originate:        768 /22.42  Transit:          0 /0.00  D4T4, GB

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       %
63257 AS204945      D4T4, GB                                           2      0      0      2      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  185.210.116.0/23     4777 2497 174 196646 204945   
  185.210.116.0/24     4777 2516 3356 51048 204945   

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

AS204945   2 More Specifics   2 Total Advertisements   D4T4, GB
    185.210.116.0/23              185.210.116.0/22
    185.210.116.0/24              185.210.116.0/22

Whois Entry

whois: 402332

IANA has recorded AS204945 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS204945\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 'AS204945'
             
             % Abuse contact for 'AS204945' is 'abuse@d4t4solutions.com'
             
             aut-num:        AS204945
             as-name:        D4T4
             org:            ORG-ISp7-RIPE
             import:         from AS51043 accept ANY
             export:         to AS51043 announce AS204945
             import:         from AS13037 accept ANY
             export:         to AS13037 announce AS204945
             admin-c:        DM15329-RIPE
             tech-c:         DM15329-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         D4T4-RIPE-MNT
             created:        2017-12-01T15:58:27Z
             last-modified:  2023-03-29T17:08:45Z
             source:         RIPE
             
             organisation:   ORG-ISp7-RIPE
             org-name:       Celebrus Technologies plc
             country:        GB
             org-type:       LIR
             address:        Elmbrook House, 18-19 Station Road
             address:        TW16 6SB
             address:        Sunbury-on-Thames
             address:        UNITED KINGDOM
             phone:          +441932893333
             abuse-c:        RDSA4-RIPE
             mnt-ref:        RIPE-NCC-HM-MNT
             mnt-ref:        D4T4-RIPE-MNT
             mnt-by:         RIPE-NCC-HM-MNT
             mnt-by:         D4T4-RIPE-MNT
             created:        2011-05-17T08:35:59Z
             last-modified:  2025-12-11T11:53:29Z
             source:         RIPE # Filtered
             
             %ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
             %
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             % 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)