% 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 '217.169.5.138 - 217.169.5.138'

% Abuse contact for '217.169.5.138 - 217.169.5.138' is 'abuseripe@aa.net.uk'

inetnum:        217.169.5.138 - 217.169.5.138
country:        GB
netname:        A20856A
descr:          None specified
admin-c:        CN6710-RIPE
tech-c:         CN6710-RIPE
mnt-by:         AA
remarks:        ISP abuse policy at http://aa.net.uk/abuse.html
remarks:        Router WAN address on site
status:         ASSIGNED PA
created:        2006-04-11T10:13:38Z
last-modified:  2020-08-13T14:18:59Z
source:         RIPE

person:         Customer network
address:        c/o Andrews & Arnold Ltd
address:        Enterprise Court
address:        Bracknell
address:        RG12 1QS
address:        GB
phone:          +445555400000
nic-hdl:        CN6710-RIPE
mnt-by:         AA
created:        2020-08-03T08:45:45Z
last-modified:  2020-08-03T08:52:34Z
source:         RIPE

% Information related to '217.169.0.0/19AS20712'

route:          217.169.0.0/19
descr:          AAISP
origin:         AS20712
mnt-by:         AA
created:        2003-05-12T12:55:22Z
last-modified:  2015-05-26T14:35:11Z
source:         RIPE

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