% 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 '87.243.192.0 - 87.243.255.255'

% Abuse contact for '87.243.192.0 - 87.243.255.255' is 'abuse@redcentricplc.com'

inetnum:        87.243.192.0 - 87.243.255.255
netname:        UK-REDCENTRIC-20050726
country:        GB
org:            ORG-RSL38-RIPE
admin-c:        RN4510-RIPE
tech-c:         RN4510-RIPE
status:         ALLOCATED PA
mnt-by:         mnt-uk-redcentric-1
mnt-by:         RIPE-NCC-HM-MNT
created:        2020-08-05T13:19:12Z
last-modified:  2023-12-06T17:34:10Z
source:         RIPE
mnt-lower:      uk-redcentric-support-mnt

organisation:   ORG-RSL38-RIPE
org-name:       Redcentric Solutions Ltd
country:        GB
org-type:       LIR
address:        Central House
address:        HG3 1UG
address:        Harrogate
address:        UNITED KINGDOM
phone:          +441423850000
reg-nr:         08322856
admin-c:        RN4510-RIPE
admin-c:        RS24185-RIPE
tech-c:         RN4510-RIPE
tech-c:         RS24185-RIPE
abuse-c:        AR56853-RIPE
mnt-ref:        mnt-uk-redcentric-1
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         mnt-uk-redcentric-1
created:        2019-11-19T09:00:04Z
last-modified:  2026-04-29T05:06:44Z
source:         RIPE # Filtered

role:           Redcentric NOC
address:        Central House
address:        HG3 1UG
address:        Harrogate
address:        UNITED KINGDOM
phone:          +441423850000
nic-hdl:        RN4510-RIPE
mnt-by:         mnt-uk-redcentric-1
created:        2019-11-19T09:00:02Z
last-modified:  2022-06-09T09:00:14Z
source:         RIPE # Filtered

% Information related to '87.243.192.0/18AS8419'

route:          87.243.192.0/18
descr:          Maxima Managed Services (Was: Hotchilli Internet Solutions)
origin:         AS8419
mnt-by:         DEX-REG
created:        2005-07-26T16:45:33Z
last-modified:  2012-01-12T16:13:55Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.122 (DEXTER)