% 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 '94.253.64.0 - 94.253.71.255'

% Abuse contact for '94.253.64.0 - 94.253.71.255' is 'abuse@flex.ru'

inetnum:        94.253.64.0 - 94.253.71.255
netname:        FlexHome
descr:          Flex broadband users
remarks:        INFRA-AW
country:        RU
admin-c:        PNB5-RIPE
tech-c:         PNB5-RIPE
tech-c:         PNB5-RIPE
status:         ASSIGNED PA
mnt-by:         FLEX-MNT
mnt-lower:      FLEX-MNT
created:        2010-01-25T12:11:11Z
last-modified:  2020-07-30T06:18:08Z
source:         RIPE # Filtered

person:         Pavel N. Bespalov
address:        for Flex Home
address:        Lenina sq 11
address:        142403 Noginsk, Moscow region
address:        Russian Federation
phone:          +7 495 7029449
fax-no:         +7 495 7029449
nic-hdl:        PNB5-RIPE
mnt-by:         FLEX-MNT
created:        2008-09-24T05:48:20Z
last-modified:  2016-02-05T16:29:26Z
source:         RIPE # Filtered
remarks:        modified for Russian phone area changes

% Information related to '94.253.64.0/20AS21453'

route:          94.253.64.0/20
descr:          Flex ISP
origin:         AS21453
mnt-by:         FLEX-MNT
created:        2014-03-27T11:43:06Z
last-modified:  2014-03-27T11:43:06Z
source:         RIPE # Filtered

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