% 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 '152.77.0.0 - 152.77.255.255'

% Abuse contact for '152.77.0.0 - 152.77.255.255' is 'abuse@univ-grenoble-alpes.fr'

inetnum:        152.77.0.0 - 152.77.255.255
netname:        FR-U-GRENOBLE-ALPES
descr:          Universite Grenoble Alpes
org:            ORG-CUGA2-RIPE
sponsoring-org: ORG-RA8-RIPE
country:        FR
admin-c:        GPRT405-RIPE
tech-c:         GPRT405-RIPE
status:         LEGACY
mnt-by:         RENATER-MNT
mnt-by:         RIPE-NCC-LEGACY-MNT
remarks:        changed:        rensvp@renater.fr 20011205
remarks:        changed:        rensvp@renater.fr 20230830
created:        2002-04-16T16:03:01Z
last-modified:  2023-08-30T07:14:19Z
source:         RIPE

% Information related to '152.77.0.0/16AS1942'

route:          152.77.0.0/16
descr:          FR-U-GRENOBLE-ALPES
origin:         AS1942
mnt-by:         RENATER-MNT
remarks:        changed:        RenSVP@Renater.fr 19991008
remarks:        changed:        rensvp@renater.fr 20230830
created:        2011-01-06T14:24:53Z
last-modified:  2023-08-30T07:04:03Z
source:         RIPE

% Information related to '152.77.0.0/16AS2200'

route:          152.77.0.0/16
descr:          FR-U-GRENOBLE-ALPES
origin:         AS2200
mnt-by:         RENATER-MNT
remarks:        changed:        RenSVP@Renater.fr 19991008
remarks:        changed:        rensvp@renater.fr 20230830
created:        1970-01-01T00:00:00Z
last-modified:  2023-08-30T07:04:04Z
source:         RIPE

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