Report for 49425

Name

DIGITAL-REALTY-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.

49425 DIGITAL-REALTY-UK, GB

  Adjacency:     9  Upstream:     3  Downstream:     6
  Upstream Adjacent AS list
    AS6461          ZAYO-6461 - Zayo Bandwidth, US
    AS1299          TWELVE99 Arelion, fka Telia Carrier, SE
    AS3257          GTT-BACKBONE GTT, US
  Downstream Adjacent AS list
    AS44706         ASN-SPACTRON, GB
    AS44824         CALLAGENIX-COLO-LONDON, GB
    AS29045         ITACTION, GB
    AS209177        ARNOLDPORTER, US
    AS50497         SYMPHONYEYCFRANCE, FR
    AS393339        CONSILIO - Consilio, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
4967  AS49425        ORG+TRN Originate:      37376 /16.81  Transit:       4352 /19.91 DIGITAL-REALTY-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       %
17110 AS49425       DIGITAL-REALTY-UK, GB                              9      2      0      7      2  22.22%


  Prefix               AS Path                              Aggregation Suggestion
  45.75.128.0/17       4777 2497 1299 49425   
  45.75.131.0/24       4777 2516 3257 49425   
  45.75.132.0/23       4777 2497 3257 49425   
  74.115.206.0/24      4777 2516 3257 49425   
  83.142.64.0/21       4777 2516 3257 49425   
  91.206.118.0/23      4777 2516 3257 49425   
  91.206.118.0/24      4777 2516 3257 49425 - Withdrawn - matching aggregate 91.206.118.0/23 4777 2516 3257 49425
  91.206.119.0/24      4777 2516 3257 49425 - Withdrawn - matching aggregate 91.206.118.0/23 4777 2516 3257 49425
  185.169.144.0/23     4777 2497 3257 49425   

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

AS49425   6 More Specifics   9 Total Advertisements   DIGITAL-REALTY-UK, GB
    45.75.131.0/24                45.75.128.0/17
    45.75.132.0/23                45.75.128.0/17
    74.115.206.0/24               74.115.204.0/22
    91.206.118.0/24               91.206.118.0/23
    91.206.119.0/24               91.206.118.0/23
    185.169.144.0/23              185.169.144.0/22

Whois Entry

whois: 402332

IANA has recorded AS49425 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS49425\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 'AS49386 - AS49866'
             
             as-block:       AS49386 - AS49866
             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:        2026-02-24T07:14:53Z
             last-modified:  2026-02-24T07:14:53Z
             source:         RIPE
             
             % Information related to 'AS49425'
             
             % Abuse contact for 'AS49425' is 'ipadmin@digitalrealty.com'
             
             aut-num:        AS49425
             as-name:        DIGITAL-REALTY-UK
             org:            ORG-DRL4-RIPE
             import:         from AS1299 accept ANY
             export:         to AS1299 announce AS-DRT
             import:         from AS6461 accept ANY
             export:         to AS6461 announce AS-DRT
             import:         from AS3257 accept ANY
             export:         to AS3257 announce AS-DRT
             admin-c:        DLRE1-RIPE
             tech-c:         DLRE2-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         MNT-DIGITAL
             created:        2016-09-23T12:13:18Z
             last-modified:  2021-12-17T09:38:43Z
             source:         RIPE
             
             organisation:   ORG-DRL4-RIPE
             org-name:       Digital Realty (UK) Limited
             country:        GB
             org-type:       LIR
             address:        5th Floor 60 London Wall
             address:        EC2M 5TQ
             address:        London
             address:        UNITED KINGDOM
             phone:          +31 88 678 90 80
             admin-c:        DLRE1-RIPE
             tech-c:         DLRE2-RIPE
             abuse-c:        DLRE3-RIPE
             mnt-ref:        MNT-DIGITAL
             mnt-by:         RIPE-NCC-HM-MNT
             mnt-by:         MNT-DIGITAL
             created:        2016-09-22T13:04:11Z
             last-modified:  2022-03-01T10:37:13Z
             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 (SHETLAND)