AS Report

Report for 8444

Name

HENDERSON - JANUS HENDERSON ADMINISTRATION UK LIMITED, GB

AS Adjacency Report

8444 HENDERSON - JANUS HENDERSON ADMINISTRATION UK LIMITED, GB

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS64275         EQUINIX-EC-DE - Equinix, Inc., US
    AS174           COGENT-174 - Cogent Communications, LLC, US
    AS15830         Equinix - Equinix (EMEA) Acquisition Enterprises B.V., NL

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
24203 AS8444         ORIGIN  Originate:       2048 /21.00  Transit:          0 /0.00  HENDERSON - JANUS HENDERSON ADMINISTRATION UK LIMITED, GB

Aggregation Suggestions

Filter: Aggregates, Specifics

 Rank AS            AS Name                                      Current  Wthdw  Aggte  Annce Redctn       %
20663 AS8444        HENDERSON - JANUS HENDERSON ADMINISTRATION UK      8      2      1      7      1  12.50%


  Prefix               AS Path                              Aggregation Suggestion
  144.2.128.0/23       4608 7575 15830 8444 + Announce - aggregate of 144.2.128.0/24 (4608 7575 15830 8444) and 144.2.129.0/24 (4608 7575 15830 8444)
  144.2.128.0/24       4608 7575 15830 8444 - Withdrawn - aggregated with 144.2.129.0/24 (4608 7575 15830 8444)
  144.2.129.0/24       4608 7575 15830 8444 - Withdrawn - aggregated with 144.2.128.0/24 (4608 7575 15830 8444)
  144.2.130.0/24       4608 7575 1299 15830 64275 8444   
  144.2.131.0/24       4608 7575 1299 15830 8444   
  144.2.136.0/24       4608 4826 15830 8444   
  144.2.140.0/24       4608 1221 4637 15830 8444   
  144.2.142.0/24       4608 7575 1299 15830 64275 8444   
  144.2.143.0/24       4777 2516 174 8444

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

AS8444   8 More Specifics   8 Total Advertisements   HENDERSON - JANUS HENDERSON ADMINISTRATION UK LIMITED, GB
    144.2.128.0/24                144.2.128.0/20
    144.2.129.0/24                144.2.128.0/20
    144.2.130.0/24                144.2.128.0/20
    144.2.131.0/24                144.2.128.0/20
    144.2.136.0/24                144.2.128.0/20
    144.2.140.0/24                144.2.128.0/20
    144.2.142.0/24                144.2.128.0/20
    144.2.143.0/24                144.2.128.0/20

Whois Entry

whois: 402603

IANA has recorded AS8444 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS8444\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 'AS8192 - AS8523'
             
             as-block:       AS8192 - AS8523
             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:        2018-11-22T15:27:23Z
             last-modified:  2018-11-22T15:27:23Z
             source:         RIPE
             
             % Information related to 'AS8444'
             
             % Abuse contact for 'AS8444' is 'itnetworksupport@janushenderson.com'
             
             aut-num:        AS8444
             as-name:        HENDERSON
             org:            ORG-HAL4-RIPE
             import:         from AS17819 accept ANY
             import:         from AS9989 accept ANY
             import:         from AS6461 accept ANY
             import:         from AS174 accept ANY
             import:         from AS19905 accept ANY
             import:         from AS209 accept ANY
             export:         to AS17819 announce AS8444
             export:         to AS9989 announce AS8444
             export:         to AS174 announce AS8444
             export:         to AS6461 announce AS8444
             import:         from AS3356 accept ANY
             export:         to AS3356 announce AS8444
             export:         to AS209 announce AS8444
             export:         to AS19905 announce AS8444
             admin-c:        maha-ripe
             tech-c:         maha-ripe
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         HENDERSON-MNT
             created:        2015-10-16T14:52:12Z
             last-modified:  2025-05-20T21:26:27Z
             source:         RIPE
             
             organisation:   ORG-HAL4-RIPE
             org-name:       JANUS HENDERSON ADMINISTRATION UK LIMITED
             country:        GB
             reg-nr:         00290577
             org-type:       LIR
             address:        201 Bishopsgate, London
             address:        EC2M 3AE
             address:        London
             address:        UNITED KINGDOM
             phone:          +44 20 7818 4747
             admin-c:        JH29802-RIPE
             tech-c:         JH29802-RIPE
             abuse-c:        AR38461-RIPE
             mnt-ref:        HENDERSON-MNT
             mnt-by:         RIPE-NCC-HM-MNT
             mnt-by:         HENDERSON-MNT
             created:        2016-11-28T08:53:08Z
             last-modified:  2026-05-13T07:37:40Z
             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 (SHETLAND)

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