Report for 204670

Name

NTT - NTT United Kingdom Ltd, 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 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.

204670 NTT, GB

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS19893         NTT-GLOBAL-DATA-CENTERS-AMERICA-INC, US
    AS393423        NTT-GLOBAL-DATA-CENTERS-AMERICA-INC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
34166 AS204670       ORIGIN  Originate:       1280 /21.68  Transit:          0 /0.00  NTT, 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       %
63284 AS204670      NTT, GB                                            5      0      0      5      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  128.121.15.0/24      2914 393423 204670     
  128.242.94.0/24      2914 19893 204670      
  131.103.30.0/24      2914 393423 204670     
  140.174.224.0/24     2914 19893 204670      
  168.143.179.0/24     2914 393423 204670     

Whois Entry

whois: 402603

IANA has recorded AS204670 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS204670\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 'AS204670'
             
             % Abuse contact for 'AS204670' is 'abuse@ntt.net'
             
             aut-num:        AS204670
             as-name:        NTT
             org:            ORG-NUKL1-RIPE
             import:         from AS2914 accept ANY
             export:         to AS-ANY announce AS204670
             import:         from AS19893 accept ANY
             admin-c:        IR2925-RIPE
             tech-c:         IR2925-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         MAINT-VIPAR
             created:        2018-01-29T14:18:45Z
             last-modified:  2024-05-28T14:20:34Z
             source:         RIPE
             
             organisation:   ORG-NUKL1-RIPE
             org-name:       NTT United Kingdom Ltd
             country:        GB
             reg-nr:         01505004
             org-type:       LIR
             address:        1 King William Street
             address:        EC4N 7AR
             address:        London
             address:        UNITED KINGDOM
             phone:          +44 0330 588 7000
             admin-c:        IR2925-RIPE
             tech-c:         IR2925-RIPE
             abuse-c:        AR70078-RIPE
             mnt-ref:        MAINT-VIPAR
             mnt-by:         RIPE-NCC-HM-MNT
             mnt-by:         MAINT-VIPAR
             created:        2023-03-23T13:42:09Z
             last-modified:  2026-05-13T07:04:30Z
             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 1.122.1 (SHETLAND)