% 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 '81.27.169.72 - 81.27.169.79'

% Abuse contact for '81.27.169.72 - 81.27.169.79' is 'abuse@r-kom.de'

inetnum:        81.27.169.72 - 81.27.169.79
netname:        BTT-NET-AS12611
descr:          BTT Bauteam Tretzel GmbH
descr:          Roter-Brach-Weg
country:        DE
admin-c:        FW56-RIPE
tech-c:         JR1754-RIPE
tech-c:         JR1754-RIPE
status:         ASSIGNED PA
mnt-by:         RKOM-MNT
created:        2012-08-02T05:34:52Z
last-modified:  2024-11-08T08:30:54Z
source:         RIPE # Filtered

person:         Franz Wild
address:        BTT Bauteam Tretzel GmbH
address:        Hochweg 83
address:        D-93049 Regensburg
phone:          +49 941 307030
fax-no:         +49 941 3070380
nic-hdl:        FW56-RIPE
mnt-by:         RKOM-MNT
created:        2009-11-05T12:25:24Z
last-modified:  2009-11-05T12:25:24Z
source:         RIPE # Filtered

person:         Johannes Ranzinger
address:        ITK Ranzinger GmbH
address:        Bayerwaldstr. 15
address:        D-93059 Regensburg
phone:          +49 700 1200 4800
fax-no:         +49 941 874140
nic-hdl:        JR1754-RIPE
mnt-by:         RKOM-MNT
created:        2003-11-28T09:46:17Z
last-modified:  2012-08-02T05:46:54Z
source:         RIPE # Filtered

% Information related to '81.27.160.0/20AS12611'

route:          81.27.160.0/20
descr:          R-KOM Regensburger Telekommunikationsgesellschaft mbH
origin:         AS12611
mnt-by:         RKOM-MNT
created:        2004-12-23T12:35:09Z
last-modified:  2024-06-27T09:54:01Z
source:         RIPE

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