% 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 '91.106.144.0 - 91.106.151.255'

% Abuse contact for '91.106.144.0 - 91.106.151.255' is 'abuse@as198930.net'

inetnum:        91.106.144.0 - 91.106.151.255
netname:        VSM-NET
country:        DE
admin-c:        FC11406-RIPE
tech-c:         VH1600-RIPE
status:         ASSIGNED PA
mnt-by:         de-vsm-1-mnt
created:        2013-02-28T10:36:10Z
last-modified:  2018-01-16T10:16:30Z
source:         RIPE

role:           VSM Hostmaster
address:        Vereinigte Stadtwerke Media GmbH
address:        Kurzenlandskoppel 4
address:        23869 Nusse
address:        Germany
admin-c:        FC11406-RIPE
tech-c:         RH9444-RIPE
tech-c:         SL12373-RIPE
abuse-mailbox:  abuse@as198930.net
nic-hdl:        VH1600-RIPE
mnt-by:         de-vsm-1-mnt
created:        2018-01-15T15:55:04Z
last-modified:  2018-01-15T15:56:52Z
source:         RIPE # Filtered

person:         Fabian Caspers
address:        Vereinigte Sadtwerke Media GmbH
address:        Kurzenlandskoppel 4
address:        23896 Nusse
phone:          +494541807807
fax-no:         +49454180777807
nic-hdl:        FC11406-RIPE
mnt-by:         de-vsm-1-mnt
created:        2012-06-14T15:21:57Z
last-modified:  2023-01-26T09:48:07Z
source:         RIPE # Filtered

% Information related to '91.106.128.0/18AS198930'

route:          91.106.128.0/18
descr:          Vereinigte Stadtwerke Media GmbH
origin:         AS198930
mnt-by:         de-vsm-1-mnt
created:        2013-01-11T12:37:27Z
last-modified:  2018-01-16T10:27:13Z
source:         RIPE

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

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