% APNIC found the following authoritative answer from: whois.ripe.net

% 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.
%       To receive output for a database update, use the "-B" flag.

% Information related to 'AS47385 - AS47868'

as-block:       AS47385 - AS47868
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:        2024-07-08T14:18:47Z
last-modified:  2024-07-08T14:18:47Z
source:         RIPE

% Information related to 'AS47638'

% Abuse contact for 'AS47638' is 'abuse@cadence.net.uk'

aut-num:        AS47638
as-name:        CADENCE-AS
descr:          Cadence Networks Ltd
org:            ORG-CSL26-RIPE
import:         from AS197913 accept AS197913
import:         from AS174 accept ANY
import:         from AS2914 accept ANY
import:         from AS60255 accept AS60255
import:         from AS213210 accept AS213210
export:         to AS197913 announce ANY
export:         to AS174 announce AS-CADENCE
export:         to AS2914 announce AS-CADENCE
export:         to AS60255 announce ANY
export:         to AS6939 announce AS-CADENCE
export:         to AS213210 announce ANY
admin-c:        AG12011-RIPE
tech-c:         AG12011-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         CADENCE-MNT
created:        2018-04-17T12:03:56Z
last-modified:  2023-08-17T16:54:34Z
source:         RIPE

organisation:   ORG-CSL26-RIPE
org-name:       Cadence Networks Ltd
country:        GB
org-type:       LIR
address:        6th Floor One London Wall
address:        EC2Y 5EB
address:        London
address:        UNITED KINGDOM
phone:          +442034756800
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        CADENCE-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         CADENCE-MNT
admin-c:        AG12011-RIPE
abuse-c:        AR19129-RIPE
created:        2014-05-28T15:36:26Z
last-modified:  2025-12-22T13:34:54Z
source:         RIPE # Filtered

person:         Adam Gent
address:        Coachmans
address:        Maresfield
address:        East Sussex
address:        TN22 2HJ
address:        United Kingdom
phone:          +44 (0) 20 3475 6802
nic-hdl:        AG12011-RIPE
mnt-by:         CADENCE-MNT
created:        2011-03-28T21:19:45Z
last-modified:  2024-03-01T13:40:58Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.120 (SHETLAND)