% 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://apps.db.ripe.net/docs/HTML-Terms-And-Conditions

% Note: this output has been filtered.
%       To receive output for a database update, use the "-B" flag.

% Information related to '83.172.124.0 - 83.172.127.255'

% Abuse contact for '83.172.124.0 - 83.172.127.255' is 'abuse@daladatorer.se'

inetnum:        83.172.124.0 - 83.172.127.255
netname:        DALADATORER-NET
descr:          DALADATORER AB
descr:          Sweden
country:        SE
admin-c:        MM4679-RIPE
tech-c:         MM4679-RIPE
abuse-c:        DIMA11-RIPE
status:         ASSIGNED PA
mnt-by:         LIDNET-LIR
mnt-lower:      LIDNET-LIR
mnt-routes:     LIDNET-LIR
created:        2016-05-23T10:01:55Z
last-modified:  2022-10-03T07:28:11Z
source:         RIPE # Filtered

person:         Max Matslofva
address:        DALADATORER AB
address:        Box 297
address:        SE-792 25 MORA
phone:          +46 250 593890
fax-no:         +46 250 18020
mnt-by:         LIDNET-LIR
nic-hdl:        MM4679-RIPE
created:        2003-03-10T13:16:38Z
last-modified:  2010-05-20T07:38:47Z
source:         RIPE # Filtered

% Information related to '83.172.96.0/19AS13189'

route:          83.172.96.0/19
descr:          LIDNET-BLK
descr:
descr:          #####################################################
descr:
descr:          In case of improper use originating from our network,
descr:          please mail customer or <abuse@lidnet.net>
descr:
descr:          #####################################################
descr:
origin:         AS13189
mnt-by:         LIDNET-LIR
created:        2005-11-21T11:47:24Z
last-modified:  2005-11-21T11:47:24Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.111 (DEXTER)

Search for
IP address lookups			Miscellaneous queries
-l	1st level less specific		-i	Inverse attributes	None admin-c admin-c,tech-c,zone-c author cross-mnt cross-nfy local-as mbrs-by-ref member-of mnt-by mnt-lower mnt-nfy mnt-routes notify nserver origin person referral-by rev-srv sub-dom tech-c upd-to zone-c
-L	All less specific		-T	Object types	All as-block as-set aut-num domain filter-set inet-rtr inet6num inetnum irt key-cert mntner peering-set person role route route-set rtr-set
-m	1st level more specific
-M	All more specific		Query hints Include "AS" in front of an AS number. Example: AS4808 Include "-t" (template only) or "-v" (template and description) in front of an object name to view the template Example: -t inetnum
-x	Exact match only
-d	Associated reverse domain