% 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 '91.107.20.0 - 91.107.63.255'

% Abuse contact for '91.107.20.0 - 91.107.63.255' is 'abuse@avk-com.ru'

inetnum:        91.107.20.0 - 91.107.63.255
netname:        AVK-NET
country:        RU
admin-c:        SSP102-RIPE
admin-c:        LOS20-RIPE
tech-c:         DD1133-RIPN
status:         ASSIGNED PA
mnt-by:         AVK-MNT
created:        2019-11-05T11:47:03Z
last-modified:  2019-11-05T11:47:03Z
source:         RIPE

role:           AVK Computer NOC
remarks:        ----------------------------------------------------------------
address:        1, Krasnaya st. Lubertsy, R140000 RUSSIA
remarks:        ----------------------------------------------------------------
phone:          + 7 495 565-4131
remarks:        ------------------------------------- ------------------------------------- NOC working hours: 24/7 ------------------------------------- Contact addresses by category: General questions: info@avk-com.ru Routing/IP delegation: noc@avk-com.ru DNS/Domains regs.: dns@avk-com.ru SPAM/UCE: abuse@avk-com.ru Scans/Hacking: security@avk-com.ru Electronic mail: email@avk-com.ru Hosting/coloc.: webmaster@avk-com.ru Customer support: support@avk-com.ru ------------------------------------- -------------------------------------
org:            ORG-Al118-RIPE
abuse-mailbox:  abuse@avk-com.ru
admin-c:        DD1133-RIPE
tech-c:         DD1133-RIPE
nic-hdl:        DD1133-RIPN
created:        2009-10-26T11:48:08Z
last-modified:  2016-04-05T12:04:58Z
mnt-by:         RIPE-NCC-LOCKED-MNT
source:         RIPE # Filtered

person:         Artem A. Lossev
address:        AVK-Computer ltd
address:        1, Krasnaya str.
address:        140000 Lubertsy Russia
phone:          +7 498 7328888
nic-hdl:        LOS20-RIPE
mnt-by:         AVK-MNT
created:        2018-01-25T06:58:45Z
last-modified:  2018-01-25T06:58:45Z
source:         RIPE

person:         Sergey P. Sokolov
address:        AVK-Computer LTD
address:        1. Krasnaya str.
address:        140000 Lybertsy Russia
phone:          +7 498 732-88-88
nic-hdl:        SSP102-RIPE
mnt-by:         AVK-MNT
created:        2018-01-25T07:03:58Z
last-modified:  2021-09-10T12:00:30Z
source:         RIPE # Filtered

% Information related to '91.107.0.0/18AS48781'

route:          91.107.0.0/18
descr:          AVK net route
origin:         AS48781
mnt-by:         AVK-MNT
created:        2016-02-05T13:18:04Z
last-modified:  2016-02-05T13:18:04Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.111 (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