Report for 57750

Name

NDS-UK, 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.

57750 NDS-UK, GB

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS3257          GTT-BACKBONE GTT, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
33449 AS57750        ORIGIN  Originate:       1280 /21.68  Transit:          0 /0.00  NDS-UK, 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       %
24152 AS57750       NDS-UK, GB                                         4      2      1      3      1  25.00%


  Prefix               AS Path                              Aggregation Suggestion
  45.149.66.0/23       4777 2497 3257 57750   
  45.149.66.0/23       4777 2516 3257 57750 + Announce - aggregate of 45.149.66.0/24 (4777 2516 3257 57750) and 45.149.67.0/24 (4777 2516 3257 57750)
  45.149.66.0/24       4777 2516 3257 57750 - Withdrawn - aggregated with 45.149.67.0/24 (4777 2516 3257 57750)
  45.149.67.0/24       4777 2516 3257 57750 - Withdrawn - aggregated with 45.149.66.0/24 (4777 2516 3257 57750)
  91.212.94.0/24       4777 2497 3257 57750   

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

AS57750   3 More Specifics   4 Total Advertisements   NDS-UK, GB
    45.149.66.0/23                45.149.64.0/22
    45.149.66.0/24                45.149.64.0/22
    45.149.67.0/24                45.149.64.0/22

Whois Entry

whois: 402332

IANA has recorded AS57750 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS57750\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 'AS57370 - AS57973'
             
             as-block:       AS57370 - AS57973
             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:        2025-04-24T14:15:44Z
             last-modified:  2025-04-24T14:15:44Z
             source:         RIPE
             
             % Information related to 'AS57750'
             
             % Abuse contact for 'AS57750' is 'abuse@gtt.net'
             
             aut-num:        AS57750
             as-name:        NDS-UK
             remarks:        Datum Datacentre
             org:            ORG-NA320-RIPE
             import:         from AS5462 accept ANY
             export:         to AS5462 announce AS57750
             import:         from AS8928 accept ANY
             export:         to AS8928 announce AS57750
             admin-c:        GB9604-RIPE
             tech-c:         GB9604-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         NDS-UK-MNT
             created:        2012-02-01T08:47:35Z
             last-modified:  2022-08-18T17:39:02Z
             source:         RIPE
             sponsoring-org: ORG-EA49-RIPE
             
             organisation:   ORG-NA320-RIPE
             org-name:       Synamedia Limited
             country:        GB
             org-type:       OTHER
             address:        1 London Road
             address:        Staines
             address:        Middlesex
             address:        TW18 4EX
             abuse-c:        AR29272-RIPE
             mnt-ref:        NDS-UK-MNT
             mnt-by:         EASYNET-UK-MNT
             mnt-by:         NDS-UK-MNT
             created:        2009-03-12T14:12:03Z
             last-modified:  2022-12-01T16:38:43Z
             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 (DEXTER)