% 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://apps.db.ripe.net/docs/HTML-Terms-And-Conditions

% Note: this output has been filtered.
%       To receive output for a database update, use the "-B" flag.

% Information related to '217.13.79.224 - 217.13.79.239'

% Abuse contact for '217.13.79.224 - 217.13.79.239' is 'abuse+ripe@gaertner.de'

inetnum:        217.13.79.224 - 217.13.79.239
netname:        STAATSTHEATER-BS-NET
descr:          Staatstheater Braunschweig
descr:          Braunschweig
country:        DE
admin-c:        JG588-RIPE
tech-c:         GDSI1-RIPE
status:         ASSIGNED PA
mnt-by:         GDSI-MNT
mnt-lower:      GDSI-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2001-09-21T22:13:19Z
source:         RIPE # Filtered

role:           Hostmaster Gaertner Datensysteme Internet Dienste
address:        Gaertner Datensysteme GmbH & Co. KG
address:        Hamburger Strasse 273a
address:        D-38114 Braunschweig
address:        Germany
phone:          +49 531 23873 0
fax-no:         +49 531 23873 22
remarks:        trouble:      abuse reports to abuse+ripe@gaertner.de
admin-c:        US13-RIPE
admin-c:        MN40-RIPE
admin-c:        SG28-RIPE
admin-c:        CM28-RIPE
tech-c:         US13-RIPE
tech-c:         MN40-RIPE
tech-c:         SG28-RIPE
tech-c:         JS20403-RIPE
nic-hdl:        GDSI1-RIPE
mnt-by:         GDSI-MNT
created:        2002-02-28T14:26:44Z
last-modified:  2010-01-11T14:57:47Z
source:         RIPE # Filtered
abuse-mailbox:  abuse+ripe@gaertner.de

person:         Joerg Gade
address:        Staatstheater Braunschweig
address:        Am Theater
address:        D-38100 Braunschweig
address:        Germany
phone:          +49 531 484 2720
nic-hdl:        JG588-RIPE
mnt-by:         DFN-NTFY
created:        1970-01-01T00:00:00Z
last-modified:  2001-09-21T23:23:03Z
source:         RIPE # Filtered

% Information related to '217.13.64.0/20AS24956'

route:          217.13.64.0/20
descr:          DE-GAERTNER-217-13-64-79
origin:         AS24956
mnt-by:         GDSI-MNT
created:        2002-06-14T15:12:13Z
last-modified:  2002-06-14T15:12:13Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.112.1 (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