% 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 'AS200352 - AS206367'

as-block:       AS200352 - AS206367
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:        2024-06-12T13:57:59Z
last-modified:  2024-06-12T13:57:59Z
source:         RIPE

% Information related to 'AS204679'

% Abuse contact for 'AS204679' is 'abuse@nask.pl'

aut-num:        AS204679
as-name:        OSE
org:            ORG-NRaA1-RIPE
import:         from AS8308 accept ANY
export:         to AS8308 announce AS-OSE
import:         from AS29314 accept ANY
export:         to AS29314 announce AS-OSE
import:         from AS12741 accept ANY
export:         to AS12741 announce AS-OSE
import:         from AS24748 accept AS24748:AS-IX
export:         to AS24748 announce AS-OSE
import:         from AS5617 accept AS-TP
export:         to AS5617 announce AS-OSE
import:         from AS29535 accept AS29535
export:         to AS29535 announce AS-OSE
admin-c:        NASK1-RIPE
tech-c:         MM47711-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         NASK-MNT
created:        2018-01-29T09:51:25Z
last-modified:  2018-12-10T13:47:14Z
source:         RIPE

organisation:   ORG-NRaA1-RIPE
org-name:       NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA - PANSTWOWY INSTYTUT BADAWCZY
country:        PL
org-type:       LIR
address:        ul. Kolska 12
address:        01-045
address:        Warszawa
address:        POLAND
phone:          +48 22 3808204
phone:          +48 22 3808200
fax-no:         +48 22 3808201
admin-c:        NASK1-RIPE
admin-c:        JK6662-RIPE
admin-c:        TM3779-RIPE
abuse-c:        NASK1-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        NASK-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         NASK-MNT
created:        2004-04-17T11:47:37Z
last-modified:  2022-12-05T13:04:50Z
source:         RIPE # Filtered

role:           NASK LIR
org:            ORG-NRaA1-RIPE
address:        ul. Kolska 12
address:        01-045 Warszawa
address:        Poland
phone:          +48 22 380 82 00
fax-no:         +48 22 380 82 01
abuse-mailbox:  abuse@nask.pl
remarks:        Network problems: hostmaster@nask.pl
remarks:        Registry contact: registry@nask.pl
remarks:        Abuse and spam notification: abuse@nask.pl
remarks:
remarks:        Please send spam and abuse notifications to abuse@nask.pl only -
remarks:        notifications sent to other mailboxes will be left without action.
admin-c:        TM3779-RIPE
tech-c:         JK6662-RIPE
tech-c:         TM3779-RIPE
nic-hdl:        NASK1-RIPE
mnt-by:         NASK-MNT
created:        2002-06-25T14:34:39Z
last-modified:  2016-05-09T11:58:25Z
source:         RIPE # Filtered

person:         Michal Mroczek
address:        Poland, 01-045 Warszawa ul. Kolska12
phone:          +48 22 380 82 00
fax-no:         +48 22 380 82 01
nic-hdl:        MM47711-RIPE
mnt-by:         NASK-MNT
created:        2018-01-26T07:52:30Z
last-modified:  2018-01-26T07:52:30Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.113.2 (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