% 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 '87.54.11.0 - 87.54.11.31'

% Abuse contact for '87.54.11.0 - 87.54.11.31' is 'postmaster@abuse.mail.dk'

inetnum:        87.54.11.0 - 87.54.11.31
netname:        FORSVARETS-KONCERNFAELLES-INFORMATI-NET
descr:          Forsvarets Koncernfaelles Informati
descr:          Gammel Koege Landevej 55
descr:          2500 Valby
country:        DK
admin-c:        GM11879-RIPE
tech-c:         GM11879-RIPE
status:         ASSIGNED PA
mnt-by:         TDK-MNT
created:        2006-07-26T12:17:20Z
last-modified:  2010-06-24T10:24:17Z
source:         RIPE

% Information related to '87.48.0.0/13AS3292'

route:          87.48.0.0/13
descr:          TDC
origin:         AS3292
remarks:        +---------------------------------------+
remarks:        | For abuse and security issues please  |
remarks:        | see http://postmaster.tdc.dk or       |
remarks:        | contact postmaster@abuse.mail.dk      |
remarks:        +---------------------------------------+
mnt-by:         AS3292-MNT
created:        2023-06-02T12:48:58Z
last-modified:  2023-06-02T12:48:58Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.124.1 (ABERDEEN)