% 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 '87.234.76.0 - 87.234.159.255'

% Abuse contact for '87.234.76.0 - 87.234.159.255' is 'abuse@plusnet.de'

inetnum:        87.234.76.0 - 87.234.159.255
netname:        HOME-DYNAMIC-NET
descr:          Plusnet Dynamic IP Addresses
country:        DE
admin-c:        PLUS-DE
tech-c:         PLUS-DE
status:         ASSIGNED PA
mnt-by:         PLUSNET-NOC
created:        2006-12-13T12:55:03Z
last-modified:  2021-01-20T20:01:57Z
source:         RIPE

role:           Plusnet Internet Services
address:        Plusnet GmbH
address:        Rudi-Conin-Str. 5a
address:        50829 Koeln
address:        Germany
phone:          +49 221 77197 0
fax-no:         +49 221 77197 900
admin-c:        GHM-RIPE
admin-c:        RW4876-RIPE
tech-c:         BF359-RIPE
tech-c:         BZ1613-RIPE
tech-c:         CV1903
tech-c:         GHM-RIPE
tech-c:         RW4876-RIPE
org:            ORG-PG203-RIPE
nic-hdl:        PLUS-DE
abuse-mailbox:  abuse@plusnet.de
mnt-by:         PLUSNET-LIR
created:        2018-09-14T12:09:00Z
last-modified:  2023-02-01T13:58:15Z
source:         RIPE # Filtered

% Information related to '87.234.0.0/16AS20676'

route:          87.234.0.0/16
descr:          Plusnet GmbH
origin:         AS20676
mnt-by:         PLUSNET-NOC
created:        2005-07-11T09:53:00Z
last-modified:  2019-06-18T15:30:15Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.114 (ABERDEEN)

Search for
IP address lookups			Miscellaneous queries
-l	1st level less specific		-i	Inverse attributes	None admin-c admin-c,tech-c,zone-c author cross-mnt cross-nfy local-as mbrs-by-ref member-of mnt-by mnt-lower mnt-nfy mnt-routes notify nserver origin person referral-by rev-srv sub-dom tech-c upd-to zone-c
-L	All less specific		-T	Object types	All as-block as-set aut-num domain filter-set inet-rtr inet6num inetnum irt key-cert mntner peering-set person role route route-set rtr-set
-m	1st level more specific
-M	All more specific		Query hints Include "AS" in front of an AS number. Example: AS4808 Include "-t" (template only) or "-v" (template and description) in front of an object name to view the template Example: -t inetnum
-x	Exact match only
-d	Associated reverse domain