% 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 '78.153.49.0 - 78.153.49.255'

% Abuse contact for '78.153.49.0 - 78.153.49.255' is 'abuse@telemach.si'

inetnum:        78.153.49.0 - 78.153.49.255
netname:        Telemach-NET
descr:          Broadband Network Services
country:        SI
remarks:        INFRA-AW
admin-c:        TRTB1-RIPE
tech-c:         TRTB1-RIPE
status:         ASSIGNED PA
mnt-by:         TELEMACH-MNT
mnt-lower:      TELEMACH-MNT
mnt-routes:     TELEMACH-MNT
created:        2008-12-02T14:18:57Z
last-modified:  2018-01-16T08:26:34Z
source:         RIPE # Filtered

% Information related to '78.153.32.0/19AS3212'

route:          78.153.32.0/19
descr:          TELEMACH, Provider Aggregated Block
remarks:        ===========================================================
remarks:        TELEMACH - Network Operation Center
remarks:
remarks:        mail:  noc@telemach.net
remarks:        phone: +386 1 51 88 600 or 51 88 630
remarks:        fax:   +386 1 51 88 601
remarks:
remarks:        Please send abuse & spam notification to abuse@telemach.net
remarks:        ===========================================================
origin:         AS3212
mnt-by:         TELEMACH-MNT
created:        2015-12-31T08:44:48Z
last-modified:  2018-01-16T08:23:51Z
source:         RIPE # Filtered

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