% 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 '83.164.128.0 - 83.164.128.255'

% Abuse contact for '83.164.128.0 - 83.164.128.255' is 'abuse@lagis.at'

inetnum:        83.164.128.0 - 83.164.128.255
netname:        LAGIS-BB-TRANSPORT-1
descr:          Point-to-point customer transport networks
descr:          lagis Internet Serviceprovider GmbH
descr:          4021 Linz
country:        AT
admin-c:        LH1181-RIPE
tech-c:         lNOC3-RIPE
status:         ASSIGNED PA
mnt-by:         LAGIS-MNT
created:        2006-04-26T11:57:41Z
last-modified:  2008-07-24T09:56:17Z
source:         RIPE

role:           LINZ AG TELEKOM Internet Hostmaster
address:        Linz Strom Gas Waerme GmbH
address:        Wiener Strasse 151
address:        4021 Linz
address:        Austria
abuse-mailbox:  abuse@lagis.at
nic-hdl:        LH1181-RIPE
mnt-by:         LAGIS-MNT
created:        2006-01-17T21:03:52Z
last-modified:  2020-01-14T15:21:18Z
source:         RIPE # Filtered

role:           LINZ AG TELEKOM Internet NOC
address:        Linz Strom Gas Waerme GmbH
address:        Wiener Strasse 151
address:        4021 Linz
address:        Austria
admin-c:        LE2024-RIPE
tech-c:         JA1089-RIPE
tech-c:         LE2024-RIPE
nic-hdl:        LNOC3-RIPE
mnt-by:         LAGIS-MNT
created:        2008-07-24T08:36:13Z
last-modified:  2020-05-13T12:03:31Z
source:         RIPE # Filtered

% Information related to '83.164.128.0/17AS35369'

route:          83.164.128.0/17
descr:          lagis Internet Serviceprovider GmbH
origin:         AS35369
mnt-by:         LAGIS-MNT
created:        2021-01-08T09:15:57Z
last-modified:  2021-01-08T09:15:57Z
source:         RIPE

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