% 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 '80.83.248.0 - 80.83.255.255'

% Abuse contact for '80.83.248.0 - 80.83.255.255' is 'abuse@domru.ru'

inetnum:        80.83.248.0 - 80.83.255.255
netname:        OLYMPUSNSP
descr:          Network Slolution Provider Olympus NSP
descr:          Yekaterinburg, Russia
country:        RU
admin-c:        AY154-RIPE
tech-c:         JN983-RIPE
status:         ASSIGNED PA
mnt-by:         OLYMPUS-MNT
mnt-lower:      OLYMPUS-MNT
mnt-routes:     OLYMPUS-MNT
created:        2006-02-07T12:56:22Z
last-modified:  2006-02-10T10:54:05Z
source:         RIPE # Filtered

person:         Alexey Yakovlev
address:        17 Ilicha str, 620012 Yekaterinburg, Russia
phone:          +7 3432 303207
phone:          +7 3432 303206
nic-hdl:        AY154-RIPE
created:        2003-11-25T07:04:46Z
last-modified:  2020-06-04T07:43:37Z
source:         RIPE
mnt-by:         RAID-MNT

person:         Jan Nickolotov
address:        17 Ilicha str, 620012 Yekaterinburg, Russia
phone:          +7 3432 303207
phone:          +7 3432 303206
nic-hdl:        JN983-RIPE
created:        2003-11-25T07:23:54Z
last-modified:  2020-06-04T07:43:34Z
source:         RIPE
mnt-by:         RAID-MNT

% Information related to '80.83.248.0/22AS51604'

route:          80.83.248.0/22
origin:         AS51604
org:            ORG-CHYB1-RIPE
descr:          CJSC "ER-Telecom Holding" Yekaterinburg branch
descr:          Yekaterinburg, Russia
mnt-by:         RAID-MNT
created:        2019-10-11T06:48:55Z
last-modified:  2019-10-11T06:48:55Z
source:         RIPE # Filtered

organisation:   ORG-CHYB1-RIPE
org-name:       JSC "ER-Telecom Holding" Yekaterinburg Branch
org-type:       OTHER
descr:          TM DOM.RU, Yekaterinburg ISP
address:        8th March str., 32A
address:        Yekaterinburg
address:        Russian Federation
phone:          +7-800-333-7000
fax-no:         +7-800-333-7000
admin-c:        ERTH66-RIPE
tech-c:         ERTH66-RIPE
abuse-c:        RAID1-RIPE
mnt-ref:        RAID-MNT
mnt-by:         RAID-MNT
created:        2010-09-27T05:17:40Z
last-modified:  2019-10-16T05:13:07Z
source:         RIPE # Filtered

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

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