% 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 '128.232.128.0 - 128.232.255.255'

% Abuse contact for '128.232.128.0 - 128.232.255.255' is 'abuse@cam.ac.uk'

inetnum:        128.232.128.0 - 128.232.255.255
netname:        CAM-AC-UK
descr:          University of Cambridge
country:        GB
admin-c:        UCSD1-RIPE
admin-c:        PB22
admin-c:        mas90
tech-c:         CLTC
tech-c:         UCSN1-RIPE
org:            ORG-TCMS4-RIPE
status:         LEGACY
mnt-lower:      CAM-AC-UK-MNT
remarks:        Addresses delegated from cl.cam.ac.uk to cam.ac.uk
mnt-by:         CAM-AC-UK-MNT
mnt-by:         cl-cam-ac-uk-mnt
mnt-by:         MALC-MNT
created:        2023-10-25T14:45:31Z
last-modified:  2026-05-06T11:43:32Z
source:         RIPE

% Information related to '128.232.0.0/16AS786'

route:          128.232.0.0/16
descr:          University of Cambridge Computer Laboratory
origin:         AS786
mnt-by:         JIPS-NOSC
created:        2002-09-23T12:55:47Z
last-modified:  2002-09-23T12:55:47Z
source:         RIPE

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