% 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 '109.235.230.128 - 109.235.230.131'

% Abuse contact for '109.235.230.128 - 109.235.230.131' is 'noc@swu.de'

inetnum:        109.235.230.128 - 109.235.230.131
netname:        Rupf-FRG-NET
descr:          Rupf
country:        DE
admin-c:        FF2427-RIPE
tech-c:         HK2993-RIPE
status:         ASSIGNED PA
mnt-by:         TeleN-MNT
created:        2011-10-18T13:46:57Z
last-modified:  2011-10-18T13:46:57Z
source:         RIPE

person:         Franz Fink
address:        SWU TeleNet GmbH
address:        Bauhoferstr. 9/1
address:        89077 Ulm
mnt-by:         Fink-MNT
phone:          +49 731 1663178
nic-hdl:        FF2427-RIPE
created:        2008-03-13T12:29:19Z
last-modified:  2009-09-01T13:46:42Z
source:         RIPE # Filtered

person:         Heinz Kurfess
address:        Bauhoferstr. 9/1
address:        DE-89077 Ulm
mnt-by:         TeleN-MNT
phone:          +49 731 166 0
nic-hdl:        HK2993-RIPE
created:        2008-08-08T07:07:08Z
last-modified:  2009-05-11T09:39:24Z
source:         RIPE

% Information related to '109.235.224.0/21AS48284'

route:          109.235.224.0/21
descr:          SWU-Telenet
origin:         AS48284
mnt-by:         TeleN-MNT
created:        2010-02-01T09:37:47Z
last-modified:  2010-02-01T09:37:47Z
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