% 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 '193.47.77.0 - 193.47.77.255'

% Abuse contact for '193.47.77.0 - 193.47.77.255' is 'abuse-nero@nero.com'

inetnum:        193.47.77.0 - 193.47.77.255
netname:        NERO-AG-NET
country:        DE
org:            ORG-NA150-RIPE
admin-c:        FH1119-RIPE
tech-c:         FH1119-RIPE
status:         ASSIGNED PI
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         NERO-MNT
mnt-by:         DTAG-NIC
mnt-routes:     NERO-MNT
mnt-domains:    NERO-MNT
created:        2005-07-13T09:50:06Z
last-modified:  2016-04-14T08:14:36Z
source:         RIPE # Filtered
sponsoring-org: ORG-DTA2-RIPE

organisation:   ORG-NA150-RIPE
org-name:       Nero AG
country:        DE
org-type:       OTHER
address:        Nero AG
address:        Rueppurer Strasse 1a
address:        DE 76137 Karlsruhe
mnt-by:         NERO-MNT
abuse-c:        AR20993-RIPE
mnt-ref:        NERO-MNT
mnt-ref:        DTAG-NIC
mnt-by:         DTAG-NIC
created:        2005-07-12T13:46:55Z
last-modified:  2023-08-14T14:06:07Z
source:         RIPE # Filtered

person:         Frank Herlan
address:        Nero AG
address:        Im Stoeckmaedle 18
address:        76307 Karlsbad
address:        Germany
phone:          +49 724 892 8511
fax-no:         +49 724 892 8199
nic-hdl:        FH1119-RIPE
mnt-by:         DTAG-NIC
mnt-by:         NERO-MNT
created:        2005-07-12T13:23:04Z
last-modified:  2005-07-13T10:10:53Z
source:         RIPE # Filtered

% Information related to '193.47.77.0/24AS35309'

route:          193.47.77.0/24
descr:          Nero AG Network
origin:         AS35309
mnt-by:         NERO-MNT
mnt-by:         DTAG-NIC
created:        2005-09-06T13:40:42Z
last-modified:  2005-09-06T13:40:42Z
source:         RIPE

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