% 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 '31.154.0.0 - 31.154.255.255'

% Abuse contact for '31.154.0.0 - 31.154.255.255' is 'abuse@partner.co.il'

inetnum:        31.154.0.0 - 31.154.255.255
netname:        IL-PARTNERCOM-20110303
org:            ORG-PCL2-RIPE
country:        IL
admin-c:        AIP63-RIPE
tech-c:         DR5299-RIPE
tech-c:         AIP63-RIPE
status:         ALLOCATED PA
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         AS9116-MNT
mnt-routes:     PARTNERCOM-MNT
mnt-lower:      PARTNERCOM-MNT-LOWER
mnt-routes:     AS9116-MNT
created:        2011-03-03T13:17:02Z
last-modified:  2019-05-23T13:22:37Z
source:         RIPE

% Information related to '31.154.0.0/16AS12400'

route:          31.154.0.0/16
descr:          Partnercom ISP route
origin:         AS12400
mnt-by:         PARTNERCOM-MNT
created:        2011-04-05T11:30:43Z
last-modified:  2011-04-05T11:30:43Z
source:         RIPE

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