% 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 '193.170.74.0 - 193.170.74.255'

% Abuse contact for '193.170.74.0 - 193.170.74.255' is 'abuse@tuwien.ac.at'

inetnum:        193.170.74.0 - 193.170.74.255
netname:        TUNET-S8
org:            ORG-TUW1-RIPE
descr:          Technische Universitaet Wien
country:        AT
admin-c:        TU917-RIPE
tech-c:         TU917-RIPE
status:         ASSIGNED PA
remarks:        for trouble-reports contact <trouble@noc.tuwien.ac.at>
remarks:        for administrative request contact <hostmaster@noc.tuwien.ac.at>
remarks:        for security problems contact <security@tuwien.ac.at>
mnt-by:         ACONET-LIR-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2020-02-05T10:24:36Z
source:         RIPE

organisation:   ORG-TUW1-RIPE
org-name:       Technische Universitat Wien
country:        AT
org-type:       OTHER
address:        TU IT Solutions
address:        Operngasse 11/E020
address:        A-1040 Wien
address:        Austria
abuse-c:        TWAR1-RIPE
mnt-ref:        ACONET-LIR-MNT
mnt-by:         ACONET-LIR-MNT
mnt-by:         AS679-MNT
created:        2004-11-03T19:14:52Z
last-modified:  2022-12-01T17:28:50Z
source:         RIPE # Filtered

role:           TU Wien Netadmin
address:        Technische Universitaet Wien
address:        TU IT Solutions
address:        Operngasse 11/E020
address:        A-1040 Wien
address:        Austria
phone:          +43 1 58801 42045
phone:          +43 1 58801 42053
phone:          +43 1 58801 42046
phone:          +43 1 58801 420425
admin-c:        JK851-RIPE
tech-c:         JK851-RIPE
tech-c:         KW6869-RIPE
tech-c:         BR1980-RIPE
tech-c:         OH1884-RIPE
nic-hdl:        TU917-RIPE
mnt-by:         AS679-MNT
mnt-by:         ACONET-LIR-MNT
created:        2002-08-28T11:44:33Z
last-modified:  2020-02-05T10:14:33Z
source:         RIPE # Filtered

% Information related to '193.170.72.0/22AS679'

route:          193.170.72.0/22
descr:          TUNET-S6 until S9
origin:         AS679
mnt-by:         ACONET-LIR-MNT
mnt-by:         AS679-MNT
created:        2014-10-24T14:34:51Z
last-modified:  2014-10-24T14:34:51Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.111 (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