Report for 212601

Name

Calastone - Calastone 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.

212601 Calastone - Calastone Limited, GB

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS20860         IOMART-AS - IOMART CLOUD SERVICES LIMITED, GB

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
56218 AS212601       ORIGIN  Originate:        512 /23.00  Transit:          0 /0.00  Calastone - Calastone 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       %
27875 AS212601      Calastone - Calastone Limited, GB                  2      2      1      1      1  50.00%


  Prefix               AS Path                              Aggregation Suggestion
  206.62.32.0/23       4608 1221 4637 20860 212601 + Announce - aggregate of 206.62.32.0/24 (4608 1221 4637 20860 212601) and 206.62.33.0/24 (4608 1221 4637 20860 212601)
  206.62.32.0/24       4608 1221 4637 20860 212601 - Withdrawn - aggregated with 206.62.33.0/24 (4608 1221 4637 20860 212601)
  206.62.33.0/24       4608 1221 4637 20860 212601 - Withdrawn - aggregated with 206.62.32.0/24 (4608 1221 4637 20860 212601)

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

AS212601   2 More Specifics   2 Total Advertisements   Calastone - Calastone Limited, GB
    206.62.32.0/24                206.62.0.0/16
    206.62.33.0/24                206.62.0.0/16

Whois Entry

whois: 402609

IANA has recorded AS212601 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS212601\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 'AS208189 - AS214345'
             
             as-block:       AS208189 - AS214345
             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:        2026-02-12T14:40:05Z
             last-modified:  2026-02-12T14:40:05Z
             source:         RIPE
             
             % Information related to 'AS212601'
             
             % Abuse contact for 'AS212601' is 'email.admin@Calastone.com'
             
             aut-num:        AS212601
             as-name:        Calastone
             org:            ORG-CL607-RIPE
             import:         from AS20860 accept ANY
             export:         to AS20860 announce AS212601
             import:         from AS39451 accept ANY
             export:         to AS39451 announce AS212601
             admin-c:        AA36585-RIPE
             tech-c:         AA36585-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         mnt-uk-calastone-1
             created:        2020-09-25T16:18:59Z
             last-modified:  2020-09-25T16:18:59Z
             source:         RIPE
             
             organisation:   ORG-CL607-RIPE
             org-name:       Calastone Limited
             country:        GB
             reg-nr:         06298923
             org-type:       LIR
             address:        Birchin Court, 20 Birchin Lane
             address:        EC3V 9DU
             address:        London
             address:        UNITED KINGDOM
             phone:          +442037004100
             admin-c:        AA36585-RIPE
             tech-c:         AA36585-RIPE
             abuse-c:        AR61039-RIPE
             mnt-ref:        mnt-uk-calastone-1
             mnt-by:         RIPE-NCC-HM-MNT
             mnt-by:         mnt-uk-calastone-1
             created:        2020-09-23T08:35:51Z
             last-modified:  2026-05-13T07:26:55Z
             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 1.122.1 (DEXTER)