% 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 '25.0.0.0 - 25.255.255.255'

% Abuse contact for '25.0.0.0 - 25.255.255.255' is 'hostmaster@mod.gov.uk'

inetnum:        25.0.0.0 - 25.255.255.255
netname:        UK-MOD-19850128
country:        GB
org:            ORG-DMoD1-RIPE
admin-c:        MN1891-RIPE
tech-c:         MN1891-RIPE
status:         LEGACY
mnt-by:         UK-MOD-MNT
mnt-domains:    UK-MOD-MNT
mnt-routes:     UK-MOD-MNT
mnt-by:         RIPE-NCC-LEGACY-MNT
created:        2005-08-23T10:27:23Z
last-modified:  2016-04-14T09:56:26Z
source:         RIPE # Filtered

organisation:   ORG-DMoD1-RIPE
org-name:       UK Ministry of Defence
country:        GB
org-type:       LIR
address:        Whitehall
address:        SW1A 2HB
address:        London
address:        UNITED KINGDOM
phone:          +44(0)3001512351
admin-c:        MN1891-RIPE
abuse-c:        MH12763-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        UK-MOD-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         UK-MOD-MNT
created:        2004-04-17T12:18:23Z
last-modified:  2021-08-18T08:32:09Z
source:         RIPE # Filtered

person:         Mathew Newton
address:        Defence Digital, Strategic Command
address:        UK Ministry of Defence
phone:          +44 (0)30 015 12351
nic-hdl:        MN1891-RIPE
created:        2005-03-18T10:42:04Z
last-modified:  2024-09-16T11:01:38Z
source:         RIPE # Filtered
mnt-by:         UK-MOD-MNT

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