% 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 '81.24.72.16 - 81.24.72.23'

% Abuse contact for '81.24.72.16 - 81.24.72.23' is 'abuse@maxonline.de'

inetnum:        81.24.72.16 - 81.24.72.23
netname:        FFM-MUC-NET
descr:          Internationale Muenchner Filmwochen GmbH
descr:          Munich
country:        DE
admin-c:        EVKN1-RIPE
tech-c:         MAX9-RIPE
status:         ASSIGNED PA
mnt-by:         MAX-IT-MNT
mnt-lower:      MAX-IT-MNT
mnt-routes:     MAX-IT-MNT
created:        2003-01-15T12:40:26Z
last-modified:  2003-01-15T12:40:26Z
source:         RIPE # Filtered

role:           max-it Hostmaster Team
address:        m.a.x. Informationstechnologie AG
address:        Internet Services
address:        Landshuter Allee 12-14
address:        80637 Muenchen
address:        Germany
phone:          +49 89 542626 222
fax-no:         +49 89 542626 223
admin-c:        CK312-RIPE
tech-c:         CK312-RIPE
tech-c:         MIMU1-RIPE
tech-c:         BEBA3-RIPE
nic-hdl:        MAX9-RIPE
remarks:        ---------------------------------------------------
remarks:        SPAM or net abuse please mail to abuse@maxonline.de
remarks:        ---------------------------------------------------
abuse-mailbox:  abuse@maxonline.de
mnt-by:         MAX-IT-MNT
created:        2002-09-09T17:47:43Z
last-modified:  2017-12-13T08:14:15Z
source:         RIPE # Filtered

person:         Eva Knitterscheidt
address:        Internationale Muenchner Filmwochen GmbH
address:        Sonnenstrasse 21
address:        80331 Muenchen
address:        Germany
phone:          +49 89 381904 14
fax-no:         +49 89 381904 26
nic-hdl:        EVKN1-RIPE
mnt-by:         MAX-IT-MNT
created:        2003-01-14T11:25:10Z
last-modified:  2003-01-14T11:25:10Z
source:         RIPE # Filtered

% Information related to '81.24.64.0/20AS24764'

route:          81.24.64.0/20
descr:          m.a.x. it, Internet Service Provider
origin:         AS24764
mnt-by:         MAX-IT-MNT
created:        2002-09-09T23:29:26Z
last-modified:  2002-09-09T23:29:26Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.113.2 (DEXTER)

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