% 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 '91.194.82.0 - 91.194.83.255'

% Abuse contact for '91.194.82.0 - 91.194.83.255' is 'abuse@nis.eu'

inetnum:        91.194.82.0 - 91.194.83.255
netname:        NISNAFTAGASNS-NET
country:        RS
org:            ORG-NiSA6-RIPE
admin-c:        DB23068-RIPE
tech-c:         DB23068-RIPE
status:         ASSIGNED PI
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         NISNAFTAGASNS-MNT
mnt-routes:     NISNAFTAGASNS-MNT
mnt-domains:    NISNAFTAGASNS-MNT
created:        2007-06-12T08:12:32Z
last-modified:  2021-12-22T09:11:49Z
source:         RIPE
sponsoring-org: ORG-YI2-RIPE

organisation:   ORG-NiSA6-RIPE
org-name:       NAFTNA INDUSTRIJA SRBIJE A.D.
country:        RS
org-type:       OTHER
address:        Narodnog fronta 12
address:        21000 Novi Sad
address:        Serbia
phone:          +381 21 481 1111
fax-no:         +381 21 481 4315
abuse-c:        ACRO18871-RIPE
admin-c:        DB23068-RIPE
tech-c:         DM15773-RIPE
mnt-ref:        EUNETYU-MNT
mnt-by:         NISNAFTAGASNS-MNT
created:        2007-06-11T10:42:04Z
last-modified:  2023-08-21T07:06:54Z
source:         RIPE # Filtered

person:         Dusko Banjac
address:        Narodnog fronta 12
address:        21 000 Novi Sad , Srbija
phone:          +381 21 481 3036
phone:          +381 64 888 1405
nic-hdl:        DB23068-RIPE
mnt-by:         NISNAFTAGASNS-MNT
created:        2018-01-25T15:20:23Z
last-modified:  2018-01-25T15:20:23Z
source:         RIPE # Filtered

% Information related to '91.194.83.0/24AS43125'

route:          91.194.83.0/24
origin:         AS43125
mnt-by:         NISNAFTAGASNS-MNT
created:        2018-05-11T13:55:45Z
last-modified:  2018-05-11T13:55:45Z
source:         RIPE

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

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