Report for 203251

Name

ALCHEMYSYSTEMS, 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.

203251 ALCHEMYSYSTEMS, 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
55309 AS203251       ORIGIN  Originate:        512 /23.00  Transit:          0 /0.00  ALCHEMYSYSTEMS, 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       %
61975 AS203251      ALCHEMYSYSTEMS, GB                                 1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  185.133.220.0/23     4777 2497 1299 25180 203251   

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

AS203251   1 More Specifics   1 Total Advertisements   ALCHEMYSYSTEMS, GB
    185.133.220.0/23              185.133.220.0/22

Whois Entry

whois: 402332

IANA has recorded AS203251 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS203251\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 'AS203113 - AS203887'
             
             as-block:       AS203113 - AS203887
             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:        2024-11-12T15:22:00Z
             last-modified:  2024-11-12T15:22:00Z
             source:         RIPE
             
             % Information related to 'AS203251'
             
             % Abuse contact for 'AS203251' is 'helpdesk@alchemysys.net'
             
             aut-num:        AS203251
             as-name:        AlchemySystems
             org:            ORG-ASIL3-RIPE
             import:         from AS59395 accept ANY
             export:         to AS59395 announce AS203251
             import:         from as203987 accept ANY
             export:         to as203987 announce AS203251
             admin-c:        AH10975-RIPE
             tech-c:         AH10975-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         uk-alchemy-1-mnt
             created:        2016-03-01T09:43:55Z
             last-modified:  2018-09-04T11:45:31Z
             source:         RIPE
             
             organisation:   ORG-ASIL3-RIPE
             org-name:       Alchemy Systems International Limited
             country:        GB
             org-type:       LIR
             address:        55 St. Michaels Road
             address:        TW15 2AE
             address:        Ashford
             address:        UNITED KINGDOM
             phone:          +44 (0)1784 223 100
             reg-nr:         03593636
             admin-c:        AH10975-RIPE
             tech-c:         AH10975-RIPE
             abuse-c:        AR34894-RIPE
             mnt-by:         uk-alchemy-1-mnt
             mnt-ref:        uk-alchemy-1-mnt
             mnt-by:         RIPE-NCC-HM-MNT
             mnt-ref:        RIPE-NCC-HM-MNT
             created:        2016-01-07T09:09:37Z
             last-modified:  2026-04-29T05:22:21Z
             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)