% 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 'AS51357 - AS52223'

as-block:       AS51357 - AS52223
descr:          RIPE NCC ASN block
remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by:         RIPE-NCC-HM-MNT
created:        2021-12-09T08:21:17Z
last-modified:  2021-12-09T08:21:17Z
source:         RIPE

% Information related to 'AS51685'

% Abuse contact for 'AS51685' is 'info@micmedia.ru'

aut-num:        AS51685
as-name:        Micron-Media-AS
org:            ORG-ML713-RIPE
import:         from AS35598 action pref=100; accept ANY
import:         from AS49869 action pref=100; accept ANY
import:         from AS50817 action pref=100; accept ANY
import:         from AS57936 action pref=100; accept ANY
import:         from AS49634 action pref=100; accept ANY
import:         from AS39607 action pref=100; accept ANY
import:         from AS61376 action pref=100; accept ANY
import:         from AS8631 action pref=100; accept ANY
import:         from AS8641 action pref=100; accept ANY
import:         from AS12714 action pref=100; accept ANY
import:         from AS9002 action pref=100; accept ANY
import:         from AS28917 action pref=100; accept ANY
import:         from AS44975 action pref=100; accept AS-BLIZCO
import:         from AS203004 action pref=100; accept AS203004
import:         from AS197018 action pref=100; accept AS197018
import:         from AS57652 action pref=100; accept AS57652
export:         to AS35598 announce AS-Micron-Media
export:         to AS49869 announce AS-Micron-Media
export:         to AS50817 announce AS-Micron-Media
export:         to AS57936 announce AS-Micron-Media
export:         to AS49634 announce AS-Micron-Media
export:         to AS39607 announce AS-Micron-Media
export:         to AS61376 announce AS-Micron-Media
export:         to AS8631 announce AS-Micron-Media
export:         to AS8641 announce AS-Micron-Media
export:         to AS12714 announce AS-Micron-Media
export:         to AS9002 announce AS-Micron-Media
export:         to AS28917 announce AS-Micron-Media
export:         to AS44975 announce Any
export:         to AS203004 announce Any
export:         to AS197018 announce Any
export:         to AS57652 announce Any
admin-c:        NDP71-RIPE
tech-c:         NDP71-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-Micron-Media
created:        2010-10-19T15:30:10Z
last-modified:  2021-12-21T03:57:07Z
source:         RIPE

organisation:   ORG-ML713-RIPE
org-name:       Mikron-Media LLC
country:        RU
org-type:       LIR
address:        Zelenograd, korpus 455 n. p. 1
address:        124498
address:        Moscow
address:        RUSSIAN FEDERATION
phone:          +74997079149
admin-c:        AA37616-RIPE
tech-c:         AA37616-RIPE
abuse-c:        AR63192-RIPE
mnt-ref:        MNT-Micron-Media
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-Micron-Media
created:        2021-05-27T09:58:29Z
last-modified:  2021-06-03T11:40:56Z
source:         RIPE # Filtered

person:         Nickolay D. Pchelkin
address:        Zelenograd, Central Ave. Housing 455
phone:          +74997079149
nic-hdl:        NDP71-RIPE
mnt-by:         MNT-Micron-Media
created:        2010-09-20T14:18:01Z
last-modified:  2016-11-11T22:05:47Z
source:         RIPE # Filtered

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