Report for 203652

Name

IBMUK - IBM United Kingdom 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 AS6447) 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.

203652 IBMUK, GB

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS5089          NTL, GB

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
55534 AS203652       ORIGIN  Originate:        512 /23.00  Transit:          0 /0.00  IBMUK, 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       %
62730 AS203652      IBMUK, GB                                          2      0      0      2      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  194.61.247.0/24      3549 3356 5089 203652   
  194.61.248.0/24      3549 3356 5089 203652   

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

AS203652   3 More Specifics   4 Total Advertisements   IBMUK, GB
    194.61.247.0/24               194.61.247.0/22
    194.61.248.0/24               194.61.247.0/22
    194.61.249.0/24               194.61.247.0/22

Prefixes added and withdrawn by this origin AS in the past 7 days.

    + 193.42.144.0/24             Announced
    + 194.61.249.0/24             Announced

Whois Entry

whois: 402603

IANA has recorded AS203652 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS203652\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 'AS203652'
             
             % Abuse contact for 'AS203652' is 'David.allen@uk.ibm.com'
             
             aut-num:        AS203652
             as-name:        IBMUK
             org:            ORG-IUL5-RIPE
             import:         from AS702 accept ANY
             export:         to AS702 announce AS203652
             import:         from AS5089 accept ANY
             export:         to AS5089 announce AS203652
             admin-c:        ARK-RIPE
             admin-c:        EB10877-RIPE
             tech-c:         EB10877-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         UUNETDE-I
             created:        2015-11-24T14:47:41Z
             last-modified:  2020-11-16T17:51:48Z
             source:         RIPE
             sponsoring-org: ORG-UD1-RIPE
             
             organisation:   ORG-IUL5-RIPE
             org-name:       IBM United Kingdom Limited
             country:        GB
             reg-nr:         00741598
             org-type:       OTHER
             address:        PO Box 41, North Harbour, Portsmouth, Hampshire PO6 3AU
             abuse-c:        AC29132-RIPE
             mnt-ref:        AS1849-MNT
             mnt-by:         AS1849-MNT
             created:        2015-10-30T17:02:03Z
             last-modified:  2026-05-13T05:18:25Z
             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)