% 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 '109.75.16.0 - 109.75.31.255'

% Abuse contact for '109.75.16.0 - 109.75.31.255' is 'abuse@mk-netzdienste.de'

inetnum:        109.75.16.0 - 109.75.31.255
netname:        DE-MK-NETZDIENSTE-20091116
country:        DE
org:            ORG-MNGC1-RIPE
admin-c:        MNN1-RIPE
tech-c:         MK2832-RIPE
status:         ALLOCATED PA
mnt-by:         MK-NETZDIENSTE-MNT
mnt-by:         RIPE-NCC-HM-MNT
created:        2019-01-18T11:53:07Z
last-modified:  2019-01-18T11:53:07Z
source:         RIPE

organisation:   ORG-MNGC1-RIPE
org-name:       MK Netzdienste GmbH
country:        DE
org-type:       LIR
address:        Dresdener Strasse 18
address:        32423
address:        Minden
address:        GERMANY
phone:          +4957138859 0
fax-no:         +495713885999
admin-c:        AM46725-RIPE
admin-c:        TS5901-RIPE
admin-c:        MK2832-RIPE
admin-c:        MNN1-RIPE
abuse-c:        MNN1-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        MK-NETZDIENSTE-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MK-NETZDIENSTE-MNT
created:        2004-04-17T11:10:12Z
last-modified:  2024-12-06T14:13:49Z
source:         RIPE # Filtered

role:           MK NETZDIENSTE NOC
address:        MK Netzdienste GmbH & Co. KG
address:        Dresdener Strasse 18
address:        32423 Minden
address:        Germany
remarks:        For mail issues, please use
remarks:        postmaster@mk-netzdienste.de
phone:          +49 571 38859-0
fax-no:         +49 571 38859-999
abuse-mailbox:  abuse@mk-netzdienste.de
admin-c:        MK2832-RIPE
tech-c:         AM46725-RIPE
tech-c:         TS5901-RIPE
nic-hdl:        MNN1-RIPE
mnt-by:         MK-NETZDIENSTE-MNT
created:        2002-11-07T09:20:38Z
last-modified:  2022-05-13T07:53:11Z
source:         RIPE # Filtered

person:         Marc Keilwerth
address:        MK Netzdienste GmbH & Co. KG
address:        Dresdener Strasse 18
address:        32423 Minden
address:        Germany
phone:          +49 571 38859-0
fax-no:         +49 571 38859-999
nic-hdl:        MK2832-RIPE
created:        2002-10-02T18:29:26Z
last-modified:  2024-12-17T08:12:50Z
source:         RIPE
mnt-by:         MK-NETZDIENSTE-MNT

% Information related to '109.75.16.0/20AS25394'

route:          109.75.16.0/20
origin:         AS25394
mnt-by:         MK-NETZDIENSTE-MNT
created:        2018-12-20T09:35:00Z
last-modified:  2018-12-20T09:38:58Z
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