Report for 16050

Name

Refinitiv-Slough-LO5-res-AS - Refinitiv Limited, 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.

16050 Refinitiv-Slough-LO5-res-AS - Refinitiv Limited, GB

  Adjacency:     4  Upstream:     4  Downstream:     0
  Upstream Adjacent AS list
    AS13335         CLOUDFLARENET - Cloudflare, Inc., US
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
    AS6453          AS6453 - TATA COMMUNICATIONS (AMERICA) INC, US
    AS8220          COLT - COLT Technology Services Group Limited, GB

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
9733  AS16050        ORIGIN  Originate:      10752 /18.61  Transit:          0 /0.00  Refinitiv-Slough-LO5-res-AS - Refinitiv Limited, 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       %
 6282 AS16050       Refinitiv-Slough-LO5-res-AS - Refinitiv Limit     26     12      5     19      7  26.92%


  Prefix               AS Path                              Aggregation Suggestion
  146.242.21.0/24      4608 7575 3356 16050   
  146.242.52.0/24      4608 7575 3356 16050   
  155.46.20.0/23       4608 7575 3356 16050 + Announce - aggregate of 155.46.20.0/24 (4608 7575 3356 16050) and 155.46.21.0/24 (4608 7575 3356 16050)
  155.46.20.0/24       4608 7575 3356 16050 - Withdrawn - aggregated with 155.46.21.0/24 (4608 7575 3356 16050)
  155.46.21.0/24       4608 7575 3356 16050 - Withdrawn - aggregated with 155.46.20.0/24 (4608 7575 3356 16050)
  155.46.24.0/22       4608 7575 3356 16050 + Announce - aggregate of 155.46.24.0/23 (4608 7575 3356 16050) and 155.46.26.0/23 (4608 7575 3356 16050)
  155.46.24.0/24       4608 7575 3356 16050 - Withdrawn - aggregated with 155.46.25.0/24 (4608 7575 3356 16050)
  155.46.25.0/24       4608 7575 3356 16050 - Withdrawn - aggregated with 155.46.24.0/24 (4608 7575 3356 16050)
  155.46.26.0/24       4608 7575 3356 16050 - Withdrawn - aggregated with 155.46.27.0/24 (4608 7575 3356 16050)
  155.46.27.0/24       4608 7575 3356 16050 - Withdrawn - aggregated with 155.46.26.0/24 (4608 7575 3356 16050)
  155.46.36.0/24       4608 7575 3356 16050   
  155.46.38.0/24       4608 7575 3356 16050   
  159.104.6.0/24       4608 7575 3356 16050   
  159.220.0.0/22       4608 7575 3356 16050   
  159.220.8.0/21       4608 7575 3356 16050 + Announce - aggregate of 159.220.8.0/22 (4608 7575 3356 16050) and 159.220.12.0/22 (4608 7575 3356 16050)
  159.220.8.0/22       4608 7575 3356 16050 - Withdrawn - aggregated with 159.220.12.0/22 (4608 7575 3356 16050)
  159.220.12.0/22      4608 7575 3356 16050 - Withdrawn - aggregated with 159.220.8.0/22 (4608 7575 3356 16050)
  159.220.24.0/22      4608 7575 3356 16050 + Announce - aggregate of 159.220.24.0/23 (4608 7575 3356 16050) and 159.220.26.0/23 (4608 7575 3356 16050)
  159.220.24.0/23      4608 7575 3356 16050 - Withdrawn - aggregated with 159.220.26.0/23 (4608 7575 3356 16050)
  159.220.26.0/23      4608 7575 3356 16050 - Withdrawn - aggregated with 159.220.24.0/23 (4608 7575 3356 16050)
  159.220.38.0/23      4608 7575 3356 16050   
  159.220.44.0/24      4608 7575 3356 16050   
  159.220.56.0/23      4608 7575 3356 16050 + Announce - aggregate of 159.220.56.0/24 (4608 7575 3356 16050) and 159.220.57.0/24 (4608 7575 3356 16050)
  159.220.56.0/24      4608 7575 3356 16050 - Withdrawn - aggregated with 159.220.57.0/24 (4608 7575 3356 16050)
  159.220.57.0/24      4608 7575 3356 16050 - Withdrawn - aggregated with 159.220.56.0/24 (4608 7575 3356 16050)
  159.220.63.0/24      4608 7575 3356 16050   
  159.220.74.0/23      4608 7575 3356 16050   
  159.220.97.0/24      4608 13335 16050       
  159.220.148.0/24     4608 7575 3356 16050   
  192.165.211.0/24     4608 7575 3356 16050   
  192.165.220.0/22     4608 7575 3356 16050   

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

AS16050   26 More Specifics   26 Total Advertisements   Refinitiv-Slough-LO5-res-AS - Refinitiv Limited, GB
    146.242.21.0/24               146.242.0.0/16
    146.242.52.0/24               146.242.0.0/16
    155.46.20.0/24                155.46.0.0/18
    155.46.21.0/24                155.46.0.0/18
    155.46.24.0/24                155.46.0.0/18
    155.46.25.0/24                155.46.0.0/18
    155.46.26.0/24                155.46.0.0/18
    155.46.27.0/24                155.46.0.0/18
    155.46.36.0/24                155.46.0.0/18
    155.46.38.0/24                155.46.0.0/18
    159.104.6.0/24                159.104.0.0/16
    159.220.0.0/22                159.220.0.0/16
    159.220.8.0/22                159.220.0.0/16
    159.220.12.0/22               159.220.0.0/16
    159.220.24.0/23               159.220.0.0/16
    159.220.26.0/23               159.220.0.0/16
    159.220.38.0/23               159.220.0.0/16
    159.220.44.0/24               159.220.0.0/16
    159.220.56.0/24               159.220.0.0/16
    159.220.57.0/24               159.220.0.0/16
    159.220.63.0/24               159.220.0.0/16
    159.220.74.0/23               159.220.0.0/16
    159.220.97.0/24               159.220.0.0/16
    159.220.148.0/24              159.220.0.0/16
    192.165.211.0/24              192.165.0.0/16
    192.165.220.0/22              192.165.0.0/16

Whois Entry

whois: 402591

IANA has recorded AS16050 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS16050\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 'AS15965 - AS16057'
             
             as-block:       AS15965 - AS16057
             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:        2018-11-22T15:27:26Z
             last-modified:  2018-11-22T15:27:26Z
             source:         RIPE
             
             % Information related to 'AS16050'
             
             % Abuse contact for 'AS16050' is 'ref.ip-abuse@refinitiv.com'
             
             aut-num:        AS16050
             as-name:        Refinitiv-Slough-LO5-res-AS
             descr:          Refinitiv Slough-LO5 resiliancy
             org:            ORG-RL451-RIPE
             import:         from AS1299 accept ANY
             import:         from AS6453 accept ANY
             import:         from AS3356 accept ANY
             export:         to AS1299 announce AS16050
             export:         to AS6453 announce AS16050
             export:         to AS3356 announce AS16050
             admin-c:        RIA32-RIPE
             tech-c:         RIT13-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         REF-IP-ADMIN-MNT
             created:        2004-04-14T09:30:07Z
             last-modified:  2020-12-17T10:06:31Z
             source:         RIPE # Filtered
             
             organisation:   ORG-RL451-RIPE
             org-name:       Refinitiv Limited
             country:        GB
             reg-nr:         00145516
             org-type:       LIR
             address:        Five Canada Square, Canary Wharf
             address:        E14 5AQ
             address:        London
             address:        UNITED KINGDOM
             phone:          +44 20 7250 1122
             admin-c:        RIA32-RIPE
             tech-c:         RIT13-RIPE
             abuse-c:        RIA33-RIPE
             mnt-ref:        REF-IP-ADMIN-MNT
             mnt-by:         RIPE-NCC-HM-MNT
             mnt-by:         REF-IP-ADMIN-MNT
             created:        2020-03-11T10:36:22Z
             last-modified:  2026-05-13T07:41:20Z
             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
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             % This query was served by the RIPE Database Query Service version 1.122.1 (SHETLAND)