% 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 '217.78.136.0 - 217.78.136.255'

% Abuse contact for '217.78.136.0 - 217.78.136.255' is 'abuse@1und1.net'

inetnum:        217.78.136.0 - 217.78.136.255
netname:        VT-CUSTOMER-W-6664264
descr:          Baumann Technologie GmbH
descr:          Essener Strasse 2-24
descr:          46047 Oberhausen
country:        DE
admin-c:        RT674-RIPE
tech-c:         RT674-RIPE
status:         ASSIGNED PA
mnt-by:         VT-MNT
mnt-lower:      VT-GARBAGE-MNT
mnt-domains:    VT-DOMAIN-MNT
remarks:        <auto-approved>
created:        2002-12-02T16:20:14Z
last-modified:  2008-07-11T15:05:36Z
source:         RIPE

person:         Ralf Taegener
address:        Baumann Technologie GmbH
address:        Essener Str. 2-24
address:        D-46045 Oberhausen
address:        Germany
phone:          +49 208 859 6224
fax-no:         +49 208 859 6961
nic-hdl:        RT674-RIPE
mnt-by:         VIADE-MNT
created:        2001-09-28T13:05:57Z
last-modified:  2006-02-01T11:48:44Z
source:         RIPE # Filtered

% Information related to '217.78.128.0/20AS8881'

route:          217.78.128.0/20
descr:          Versatel Deutschland
origin:         AS8881
mnt-by:         VT-ENGI-MNT
created:        2007-02-13T10:28:37Z
last-modified:  2008-03-27T17:33:05Z
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