% 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 '185.43.86.0 - 185.43.87.255'

% Abuse contact for '185.43.86.0 - 185.43.87.255' is 'abuse@ttk.ru'

inetnum:        185.43.86.0 - 185.43.87.255
netname:        TTK-Murom
country:        RU
admin-c:        TTK52-RIPE
tech-c:         TTK52-RIPE
status:         ASSIGNED PA
descr:          TTK Murom VPN NAT address pool
descr:          Murom, Vladimirskaya oblast, Russia
language:       RU
geoloc:         55.57 42.03
mnt-by:         VTT-MNT
created:        2017-11-27T14:06:24Z
last-modified:  2021-07-26T10:47:09Z
source:         RIPE

role:           NOC TTK-Volga
address:        JSC "TransTeleCom Company" Volga branch
address:        Russia, Nizhny Novgorod
address:        Semashko str,37
nic-hdl:        TTK52-RIPE
mnt-by:         VTT-MNT
abuse-mailbox:  noc@volga.ttk.ru
tech-c:         IPv6-RU
tech-c:         CVB-RIPE
admin-c:        SPB1703
admin-c:        PSC65-RIPE
created:        2013-05-31T07:23:37Z
last-modified:  2023-07-19T09:59:46Z
source:         RIPE # Filtered

% Information related to '185.43.86.0/23AS15774'

route:          185.43.86.0/23
descr:          TTK-Murom
origin:         AS15774
mnt-by:         VTT-MNT
created:        2019-04-03T18:16:16Z
last-modified:  2020-05-23T18:46:56Z
source:         RIPE # Filtered

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

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