% 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 '193.197.148.0 - 193.197.148.255'

% Abuse contact for '193.197.148.0 - 193.197.148.255' is 'Service-Desk@bitbw.bwl.de'

inetnum:        193.197.148.0 - 193.197.148.255
netname:        BITBW
abuse-c:        BIB32-RIPE
descr:          Informatikzentrum
descr:          Landesverwaltung BW (IZLBW)
descr:          Stuttgart, Germany
country:        DE
admin-c:        EH1848-RIPE
tech-c:         EH1848-RIPE
status:         ASSIGNED PA
mnt-by:         BELWUE-MNT
created:        2006-03-10T09:28:06Z
last-modified:  2022-07-14T20:35:10Z
source:         RIPE

person:         Elmar Hofer
address:        Informatikzentrum Landesverwaltung Baden-Wuerttemberg
address:        Krailenshaldenstr. 44
address:        D-70469 Stuttgart
address:        Germany
phone:          +49 711 8910 648
nic-hdl:        EH1848-RIPE
mnt-by:         PIRONET-MNT
created:        2011-04-26T10:54:18Z
last-modified:  2011-04-26T10:54:18Z
source:         RIPE # Filtered

% Information related to '193.196.0.0/15AS553'

route:          193.196.0.0/15
descr:          BELWUE-AGG-1
origin:         AS553
remarks:        route-server.belwue.de
pingable:       193.196.190.135
ping-hdl:       BEL553-RIPE
mnt-by:         BELWUE-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2012-04-06T13:07:49Z
source:         RIPE

role:           BelWue-Koordination
address:        Landeshochschulnetz Baden-Wuerttemberg (BelWue)
address:        Universitaet Stuttgart
address:        BelWue-Koordination
address:        Industriesstrasse 28
address:        D-70565 Stuttgart
address:        Germany
phone:          +49 711 685 88030
fax-no:         +49 711 678 8363
abuse-mailbox:  abuse@belwue.de
nic-hdl:        BEL553-RIPE
mnt-by:         BELWUE-MNT
created:        2002-08-29T10:28:43Z
last-modified:  2023-02-15T17:40:37Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.112 (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