% 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 '46.173.224.0 - 46.173.239.255'

% Abuse contact for '46.173.224.0 - 46.173.239.255' is 'hostmaster@ayy.fi'

inetnum:        46.173.224.0 - 46.173.239.255
netname:        AYY-NET
country:        FI
org:            ORG-TKY1-RIPE
admin-c:        AYY4-RIPE
tech-c:         AYY4-RIPE
status:         ASSIGNED PI
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         TKY-FI-MNT
mnt-routes:     TKY-FI-MNT
mnt-domains:    TKY-FI-MNT
created:        2011-02-10T12:59:01Z
last-modified:  2016-04-14T09:07:04Z
source:         RIPE
sponsoring-org: ORG-NNO1-RIPE

organisation:   ORG-TKY1-RIPE
org-name:       Aalto University Student Union
country:        FI
org-type:       OTHER
admin-c:        TS3134-RIPE
address:        PL 69
address:        02151 Espoo
address:        FINLAND
abuse-c:        AR21592-RIPE
mnt-ref:        TKY-FI-MNT
mnt-ref:        AS1741-MNT
mnt-by:         TKY-FI-MNT
created:        2006-05-05T10:51:55Z
last-modified:  2022-12-01T16:55:28Z
source:         RIPE # Filtered

role:           Aalto University Student Union Hostmaster
address:        PL 69
address:        02151 Espoo
address:        FINLAND
admin-c:        TS3134-RIPE
tech-c:         TS3134-RIPE
nic-hdl:        AYY4-RIPE
mnt-by:         TKY-FI-MNT
created:        2011-05-01T10:12:00Z
last-modified:  2011-05-01T10:12:00Z
source:         RIPE # Filtered

% Information related to '46.173.224.0/20AS39857'

route:          46.173.224.0/20
descr:          Aalto University Student Union
origin:         AS39857
mnt-by:         TKY-FI-MNT
created:        2011-04-29T07:22:26Z
last-modified:  2011-04-29T07:22:26Z
source:         RIPE

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