% 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 '77.54.190.168 - 77.54.190.175'

% Abuse contact for '77.54.190.168 - 77.54.190.175' is 'abuse.pt@vodafone.com'

inetnum:        77.54.190.168 - 77.54.190.175
netname:        PTVDFCUSTECER751
descr:          Vodafone Portugal
descr:          CERCITOP COOPERATIVA DE EMPREENDEDORISMO PA
country:        PT
admin-c:        PC21206-RIPE
tech-c:         PC21206-RIPE
status:         ASSIGNED PA
mnt-by:         AS12353-MNT
mnt-lower:      AS12353-MNT
mnt-routes:     AS12353-MNT
created:        2026-03-05T15:30:15Z
last-modified:  2026-03-05T15:30:15Z
source:         RIPE

% Information related to '77.54.0.0/16AS12353'

route:          77.54.0.0/16
descr:          Vodafone Portugal
mnt-routes:     AS12353-MNT
mnt-lower:      AS12353-MNT
origin:         AS12353
mnt-by:         AS12353-MNT
created:        2007-04-19T10:13:48Z
last-modified:  2007-04-19T10:13:48Z
source:         RIPE

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