% 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 'AS203113 - AS205662'

as-block:       AS203113 - AS205662
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:        2024-09-19T13:43:36Z
last-modified:  2024-09-19T13:43:36Z
source:         RIPE

% Information related to 'AS204289'

% Abuse contact for 'AS204289' is 'nak@nak.net.ua'

aut-num:        AS204289
as-name:        SONATA-AS
org:            ORG-LA1235-RIPE
import:         from AS34058 accept ANY
export:         to AS34058 announce AS204289
import:         from AS51794 accept ANY
export:         to AS51794 announce AS204289
admin-c:        KA6650-RIPE
tech-c:         AR45882-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         NAKNET-MNT
created:        2018-04-10T11:23:00Z
last-modified:  2021-12-21T08:20:35Z
source:         RIPE
sponsoring-org: ORG-ELL9-RIPE

organisation:   ORG-LA1235-RIPE
org-name:       LLC "NAKNET"
country:        UA
org-type:       OTHER
address:        st. Shevchenko, house 17
address:        07335
address:        Kyiv region, Vyshgorod district, village Demidov
address:        UKRAINE
phone:          +380677446364
admin-c:        NL4574-RIPE
tech-c:         NL4574-RIPE
abuse-c:        AR45882-RIPE
mnt-ref:        SONATA-MNT
mnt-by:         SONATA-MNT
created:        2018-04-05T17:41:28Z
last-modified:  2022-12-01T17:17:26Z
source:         RIPE # Filtered

role:           Abuse-C Role
address:        st. Shevchenko, house 17
address:        07335
address:        Kyiv region, Vyshgorod district, village Demidov
address:        UKRAINE
nic-hdl:        AR45882-RIPE
abuse-mailbox:  nak@nak.net.ua
mnt-by:         NAKNET-MNT
created:        2018-04-05T17:41:27Z
last-modified:  2018-04-05T17:41:28Z
source:         RIPE # Filtered

person:         Kiz Alexey
address:        st. Shevchenko, house 17
address:        07335
address:        Kyiv region, Vyshgorod district, village Demidov
address:        UKRAINE
phone:          +380677446364
nic-hdl:        KA6650-RIPE
mnt-by:         NAKNET-MNT
created:        2018-04-05T17:41:27Z
last-modified:  2018-04-05T17:41:28Z
source:         RIPE

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