AS Report

Report for 25421

Name

JOHN-LEWIS-AS - John Lewis Plc., GB

AS Adjacency Report

25421 JOHN-LEWIS-AS, GB

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS2856          BT-UK-AS BTnet UK Regional network, GB
    AS1273          CW Vodafone Group PLC, EU
    AS32787         PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NETWORK, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
18324 AS25421        ORIGIN  Originate:       3840 /20.09  Transit:          0 /0.00  JOHN-LEWIS-AS, GB

Aggregation Suggestions

Filter: Aggregates, Specifics

 Rank AS            AS Name                                      Current  Wthdw  Aggte  Annce Redctn       %
 8692 AS25421       JOHN-LEWIS-AS, GB                                  9      8      3      4      5  55.56%


  Prefix               AS Path                              Aggregation Suggestion
  193.35.248.0/21      3303 1273 25421      + Announce - aggregate of 193.35.248.0/22 (3303 1273 25421) and 193.35.252.0/22 (3303 1273 25421)
  193.35.248.0/22      3303 1273 25421      - Withdrawn - aggregated with 193.35.252.0/22 (3303 1273 25421)
  193.35.248.0/23      2497 32787 25421     + Announce - aggregate of 193.35.248.0/24 (2497 32787 25421) and 193.35.249.0/24 (2497 32787 25421)
  193.35.248.0/24      2497 32787 25421     - Withdrawn - aggregated with 193.35.249.0/24 (2497 32787 25421)
  193.35.249.0/24      2497 32787 25421     - Withdrawn - aggregated with 193.35.248.0/24 (2497 32787 25421)
  193.35.250.0/24      2497 32787 25421       
  193.35.252.0/22      3303 1273 25421      - Withdrawn - aggregated with 193.35.248.0/22 (3303 1273 25421)
  193.35.252.0/22      2497 32787 25421     + Announce - aggregate of 193.35.252.0/23 (2497 32787 25421) and 193.35.254.0/23 (2497 32787 25421)
  193.35.252.0/24      2497 32787 25421     - Withdrawn - aggregated with 193.35.253.0/24 (2497 32787 25421)
  193.35.253.0/24      2497 32787 25421     - Withdrawn - aggregated with 193.35.252.0/24 (2497 32787 25421)
  193.35.254.0/24      2497 32787 25421     - Withdrawn - aggregated with 193.35.255.0/24 (2497 32787 25421)
  193.35.255.0/24      2497 32787 25421     - Withdrawn - aggregated with 193.35.254.0/24 (2497 32787 25421)

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

AS25421   9 More Specifics   9 Total Advertisements   JOHN-LEWIS-AS, GB
    193.35.248.0/22               193.35.248.0/21
    193.35.248.0/24               193.35.248.0/21
    193.35.249.0/24               193.35.248.0/21
    193.35.250.0/24               193.35.248.0/21
    193.35.252.0/22               193.35.248.0/21
    193.35.252.0/24               193.35.248.0/21
    193.35.253.0/24               193.35.248.0/21
    193.35.254.0/24               193.35.248.0/21
    193.35.255.0/24               193.35.248.0/21

Whois Entry

whois: 402603

IANA has recorded AS25421 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS25421\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 'AS25365 - AS25542'
             
             as-block:       AS25365 - AS25542
             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:        2018-11-22T15:27:30Z
             last-modified:  2018-11-22T15:27:30Z
             source:         RIPE
             
             % Information related to 'AS25421'
             
             % Abuse contact for 'AS25421' is 'ntt_hitperson@johnlewis.co.uk'
             
             aut-num:        AS25421
             as-name:        JOHN-LEWIS-AS
             org:            ORG-JLP1-RIPE
             import:         from AS1273 action pref=100; accept ANY
             import:         from AS4589 action pref=100; accept ANY
             export:         to AS1273 announce AS25421
             export:         to AS4589 announce AS25421
             admin-c:        NTT1-RIPE
             tech-c:         NTT1-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         JOHN-LEWIS-MNT
             created:        2002-11-18T14:56:36Z
             last-modified:  2019-12-09T11:28:12Z
             source:         RIPE
             sponsoring-org: ORG-VI6-RIPE
             
             organisation:   ORG-JLP1-RIPE
             org-name:       John Lewis Plc.
             country:        GB
             reg-nr:         00233462
             org-type:       OTHER
             address:        1 Drummond Gate
             address:        Pimlico, London
             address:        SW1V 2QQ
             address:        United Kingdom
             abuse-c:        AR29273-RIPE
             mnt-ref:        JOHN-LEWIS-MNT
             mnt-by:         JOHN-LEWIS-MNT
             created:        2011-02-02T13:58:27Z
             last-modified:  2026-05-13T06:29:09Z
             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)

as-report v4.4 (gih) 24/02/14