% 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 'AS203889 - AS205662'

as-block:       AS203889 - 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:        2024-11-12T15:22:00Z
last-modified:  2024-11-12T15:22:00Z
source:         RIPE

% Information related to 'AS204575'

% Abuse contact for 'AS204575' is 'drift@itcn.dk'

aut-num:        AS204575
as-name:        ITCN_DK
org:            ORG-TCA13-RIPE
import:         from AS31027 accept ANY
export:         to AS31027 announce AS204575
import:         from AS3308 accept ANY
export:         to AS3308 announce AS204575
admin-c:        ICN17-RIPE
tech-c:         RM14360-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-ITCN
created:        2022-06-17T12:25:39Z
last-modified:  2022-06-17T12:25:39Z
source:         RIPE

organisation:   ORG-TCA13-RIPE
org-name:       TECHCOLLEGE S/I
country:        DK
org-type:       LIR
address:        Oester Uttrup Vej 1
address:        9000
address:        Aalborg
address:        DENMARK
phone:          +4572505630
abuse-c:        ID1536-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        MNT-ITCN
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-ITCN
created:        2013-04-16T10:15:49Z
last-modified:  2023-11-08T11:35:00Z
source:         RIPE # Filtered

role:           IT Center Nord
address:        Telegrafvej 9 2750 Ballerup
abuse-mailbox:  abuse@itcn.dk
nic-hdl:        ICN17-RIPE
mnt-by:         nia-mnt
created:        2019-05-27T12:43:44Z
last-modified:  2019-05-27T12:43:44Z
source:         RIPE # Filtered

person:         Rene Moeller
address:        Oester Uttrup Vej 1 9000 Aalborg
phone:          +45 25266606
nic-hdl:        RM14360-RIPE
mnt-by:         nia-mnt
created:        2012-10-11T14:10:58Z
last-modified:  2012-10-11T14:10:58Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.120 (DEXTER)