% 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 'AS38912 - AS39599'

as-block:       AS38912 - AS39599
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:        2023-08-29T07:47:54Z
last-modified:  2023-08-29T07:47:54Z
source:         RIPE

% Information related to 'AS39288'

% Abuse contact for 'AS39288' is 'abuse@nette.pl'

aut-num:        AS39288
as-name:        NETTE
remarks:        --- NETTE backup ---
import:         from AS197530 accept ANY
export:         to AS197530 announce ANY
remarks:        --- TPIX ---
import:         from AS29535 accept ANY
export:         to AS29535 announce AS29535:AS-IX
remarks:        --- Customers ---
import:         from AS39288:AS-TRANSIT accept <^AS39288:AS-TRANSIT:PeerAS+$>
export:         to AS39288:AS-TRANSIT announce ANY
import:         from AS39288:AS-IX accept <^AS39288:AS-IX:PeerAS+$>
export:         to AS39288:AS-IX announce ANY
remarks:        --- RETN ---
import:         from AS9002 accept ANY
export:         to AS9002 announce AS39288:AS-TRANSIT
remarks:        --- EPIX ---
import:         from AS48850 accept ANY
export:         to AS48850 announce AS39288:AS-IX
remarks:        -- redCDN --
import:         from AS57811 accept ANY
export:         to AS57811 announce AS39288:AS-IX
remarks:        -- LubMAN --
import:         from AS12346 accept ANY
export:         to AS12346 announce AS39288:AS-IX
org:            ORG-Nszo14-RIPE
admin-c:        NA2999-RIPE
tech-c:         NA2999-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         NETTE-MNT
created:        2006-01-24T14:19:00Z
last-modified:  2018-12-01T14:36:15Z
source:         RIPE

organisation:   ORG-Nszo14-RIPE
org-name:       Nette sp. z o.o.
country:        PL
org-type:       LIR
address:        Wallenroda 2E/5
address:        20-607
address:        Lublin
address:        POLAND
phone:          +48817180718
fax-no:         +48817180719
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        NETTE-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         NETTE-MNT
abuse-c:        NA2999-RIPE
created:        2010-11-10T10:20:44Z
last-modified:  2020-12-16T12:49:45Z
source:         RIPE # Filtered

role:           NETTE Administrators
address:        Nette sp. z o.o.
address:        ul. Wallenroda 2E/5
address:        20-607 Lublin
address:        Poland
phone:          +48-81-7180718
fax-no:         +48-81-7180719
org:            ORG-Nszo14-RIPE
admin-c:        SZ730-RIPE
admin-c:        PV4434-RIPE
tech-c:         SZ730-RIPE
tech-c:         PV4434-RIPE
abuse-mailbox:  abuse@nette.pl
mnt-by:         NETTE-MNT
nic-hdl:        NA2999-RIPE
created:        2010-11-08T19:14:19Z
last-modified:  2022-11-04T22:50:17Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.111 (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