% 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 '87.79.3.0 - 87.79.3.255'

% Abuse contact for '87.79.3.0 - 87.79.3.255' is 'abuse@netcologne.de'

inetnum:        87.79.3.0 - 87.79.3.255
netname:        NCITS-WAN
descr:          NetCologne IT Services GmbH
descr:          Adolf-Grimme-Allee 3
descr:          D-50829 Koeln
country:        DE
admin-c:        NISG1-RIPE
tech-c:         NC1424-RIPE
status:         ASSIGNED PA
mnt-by:         NETCOLOGNE-MNT
mnt-lower:      NETCOLOGNE-MNT
created:        2025-07-25T10:19:48Z
last-modified:  2025-07-25T10:19:48Z
source:         RIPE

role:           Administrator Contact NetCologne
address:        NetCologne Gesellschaft fuer Telekommunikation mbH
address:        Am Coloneum 9
address:        D-50829 Koeln
address:        Germany
phone:          +49 221 2222-0
fax-no:         +49-221-2222-620
nic-hdl:        NC1424-RIPE
admin-c:        MR111-RIPE
tech-c:         MR111-RIPE
tech-c:         MA1830-RIPE
remarks:        + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
remarks:        + abuse@netcologne.de is contact for criminal use, spam, etc. +
remarks:        + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
abuse-mailbox:  abuse@netcologne.de
mnt-by:         NETCOLOGNE-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2025-12-16T14:54:45Z
source:         RIPE # Filtered

role:           NetCologne IT Services GmbH
address:        Adolf-Grimme-Allee 3
address:        D-50829 Koeln
address:        Germany
phone:          +49 221 78808-0
nic-hdl:        NISG1-RIPE
mnt-by:         NETCOLOGNE-MNT
created:        2025-07-25T10:02:09Z
last-modified:  2025-07-25T10:02:09Z
source:         RIPE # Filtered

% Information related to '87.78.0.0/15AS8422'

route:          87.78.0.0/15
descr:          NetCologne PA space
origin:         AS8422
mnt-by:         NETCOLOGNE-MNT
created:        2005-06-01T08:35:24Z
last-modified:  2005-06-01T08:35:24Z
source:         RIPE

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