% 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 '2a02:290:2:4::/64'

% Abuse contact for '2a02:290:2:4::/64' is 'netadm@comcor.ru'

inet6num:       2a02:290:2:4::/64
netname:        COMCOR-B2B-Clients
descr:          Network for COMCOR-B2B-Clients
country:        RU
admin-c:        CN4342-RIPE
tech-c:         CN4342-RIPE
status:         ASSIGNED
mnt-by:         AS8732-MNT
created:        2012-03-14T12:44:08Z
last-modified:  2018-11-12T14:23:51Z
source:         RIPE

role:           COMCOR NOC
address:        Russia, 117535, Moscow
address:        Varshavskoe Road, 133
phone:          +7 (495) 411-73-33
remarks:        ----------------------------------------------
remarks:        COMCOR (TM AKADO-Telecom) working hours:
remarks:        09am-6pm MSK/MSD (GMT+3/+4) work days
remarks:        ----------------------------------------------
nic-hdl:        CN4342-RIPE
mnt-by:         AS8732-MNT
created:        2018-11-02T16:46:57Z
last-modified:  2018-11-02T16:46:57Z
source:         RIPE # Filtered

% Information related to '2a02:290::/32AS8732'

route6:         2a02:290::/32
descr:          comcor.ru
org:            ORG-CA35-RIPE
origin:         AS8732
mnt-by:         AS8732-MNT
created:        2008-04-14T11:28:08Z
last-modified:  2023-04-04T05:46:51Z
source:         RIPE

organisation:   ORG-CA35-RIPE
org-name:       JSC Comcor
country:        RU
org-type:       LIR
address:        133, Varshavskoe sh.
address:        117519
address:        Moscow
address:        RUSSIAN FEDERATION
phone:          +74954117171
fax-no:         +74952767455
fax-no:         +74954117151
admin-c:        VAT6-RIPE
admin-c:        RAY39-RIPE
admin-c:        VGF2-RIPE
abuse-c:        AC23903-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        AS8732-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         AS8732-MNT
created:        2004-04-17T11:51:14Z
last-modified:  2022-09-19T09:33:55Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.112.1 (ABERDEEN)

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