Report for 203987

Name

VYSIION-AS, 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.

203987 VYSIION-AS, GB

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS25180         EXPONENTIAL-E-AS, GB

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
26434 AS203987       ORIGIN  Originate:       2048 /21.00  Transit:          0 /0.00  VYSIION-AS, 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       %
26855 AS203987      VYSIION-AS, GB                                     2      2      1      1      1  50.00%


  Prefix               AS Path                              Aggregation Suggestion
  178.22.160.0/21      4777 2497 1299 25180 203987 + Announce - aggregate of 178.22.160.0/22 (4777 2497 1299 25180 203987) and 178.22.164.0/22 (4777 2497 1299 25180 203987)
  178.22.160.0/22      4777 2497 1299 25180 203987 - Withdrawn - aggregated with 178.22.164.0/22 (4777 2497 1299 25180 203987)
  178.22.164.0/22      4777 2497 1299 25180 203987 - Withdrawn - aggregated with 178.22.160.0/22 (4777 2497 1299 25180 203987)

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

AS203987   2 More Specifics   2 Total Advertisements   VYSIION-AS, GB
    178.22.160.0/22               178.22.160.0/21
    178.22.164.0/22               178.22.160.0/21

Whois Entry

whois: 402332

IANA has recorded AS203987 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS203987\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 'AS203987'
             
             % Abuse contact for 'AS203987' is 'steve.fisher@vysiion.co.uk'
             
             aut-num:        AS203987
             as-name:        VYSIION-AS
             org:            ORG-SIL19-RIPE
             import:         from AS59395 accept ANY
             export:         to AS59395 announce AS203987
             import:         from AS15463 accept ANY
             export:         to AS15463 announce AS203987
             admin-c:        DG2044-RIPE
             tech-c:         DG2044-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         MNT-1STSOL
             created:        2015-09-17T10:55:33Z
             last-modified:  2018-09-04T11:39:58Z
             source:         RIPE
             
             organisation:   ORG-SIL19-RIPE
             org-name:       Vysiion Limited
             country:        GB
             org-type:       LIR
             address:        Connect 17, Avon Way
                             Langley Park
             address:        SN15 1GG
             address:        Chippenham
             address:        UNITED KINGDOM
             phone:          +448452417410
             fax-no:         +448452417410
             reg-nr:         03208975
             abuse-c:        AR17477-RIPE
             admin-c:        DG2044-RIPE
             admin-c:        DG2044-RIPE
             mnt-by:         MNT-1STSOL
             mnt-ref:        MNT-1STSOL
             mnt-ref:        RIPE-NCC-HM-MNT
             mnt-by:         RIPE-NCC-HM-MNT
             created:        2010-04-01T09:52:30Z
             last-modified:  2026-04-29T05:20:50Z
             tech-c:         DG2044-RIPE
             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 1.122 (ABERDEEN)