% 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 '193.174.0.0 - 193.175.255.255'

% Abuse contact for '193.174.0.0 - 193.175.255.255' is 'abuse@dfn.de'

inetnum:        193.174.0.0 - 193.175.255.255
netname:        DE-DFN-930901
country:        DE
org:            ORG-DV1-RIPE
admin-c:        CG1688-RIPE
tech-c:         DH5989-RIPE
status:         ALLOCATED PA
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         DFN-LIR-MNT
mnt-irt:        IRT-DFN-CERT
created:        1970-01-01T00:00:00Z
last-modified:  2016-11-30T10:42:54Z
source:         RIPE

organisation:   ORG-DV1-RIPE
org-name:       Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
country:        DE
org-type:       LIR
address:        Alexanderplatz 1
address:        10178
address:        Berlin
address:        GERMANY
phone:          +49308842999110
fax-no:         +4930884299370
mnt-ref:        DFN-LIR-MNT
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         DFN-LIR-MNT
admin-c:        HW68-RIPE
admin-c:        TS150-RIPE
admin-c:        CG1688-RIPE
admin-c:        DH5989-RIPE
admin-c:        HW309-RIPE
admin-c:        KL565
admin-c:        TS103-RIPE
abuse-c:        DH5989-RIPE
created:        2004-04-17T11:06:37Z
last-modified:  2022-12-01T13:18:47Z
source:         RIPE # Filtered

role:           DFN Hostmaster
address:        DFN-Verein Geschaeftsstelle Berlin
address:        Alexanderplatz 1
address:        10178 Berlin
address:        Germany
phone:          +49 30 884299 9110
fax-no:         +49 30 884299 370
admin-c:        CG1688-RIPE
tech-c:         HW309-RIPE
tech-c:         KL565
abuse-mailbox:  abuse@dfn.de
nic-hdl:        DH5989-RIPE
mnt-by:         DFN-LIR-MNT
created:        2002-02-28T10:01:36Z
last-modified:  2022-12-01T13:15:47Z
source:         RIPE # Filtered

person:         Christian Grimm
address:        DFN-Verein
address:        Alexanderplatz 1
address:        10178 Berlin
address:        Germany
phone:          +49 30 884299 0
fax-no:         +49 30 884299 370
nic-hdl:        CG1688-RIPE
mnt-by:         DFN-NTFY
created:        2010-04-12T13:57:35Z
last-modified:  2022-12-01T13:15:47Z
source:         RIPE

% Information related to '193.174.0.0/15AS680'

route:          193.174.0.0/15
descr:          DFN-AGG-1
origin:         AS680
mnt-by:         DFN-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2011-01-26T12:07:06Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.114 (SHETLAND)

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