% 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 '185.69.244.0 - 185.69.244.255'

% Abuse contact for '185.69.244.0 - 185.69.244.255' is 'abuse@massresponse.com'

inetnum:        185.69.244.0 - 185.69.244.255
netname:        spusu-MobileDynamicNATPool1
descr:          spusu mobile dynamic NAT pool 1
country:        AT
admin-c:        FP1060-RIPE
tech-c:         FP1470-RIPE
status:         ASSIGNED PA
mnt-by:         MASSRESPONSE-MNT
mnt-lower:      MASSRESPONSE-MNT
mnt-routes:     MASSRESPONSE-MNT
created:        2016-08-24T09:45:12Z
last-modified:  2016-08-24T09:45:12Z
source:         RIPE

person:         Franz Pichler
address:        Mass Response Service GmbH
address:        DC Tower, Donau-City-Straße 7
address:        1220 Vienna
address:        AT
phone:          +43 1 2702825
nic-hdl:        FP1060-RIPE
mnt-by:         MASSRESPONSE-MNT
created:        2003-08-14T08:13:59Z
last-modified:  2019-07-26T11:54:37Z
source:         RIPE # Filtered

person:         Florian Parnigoni
address:        Mass Response Service GmbH
address:        DC Tower, Donau-City-Straße 7
address:        1220 Vienna
address:        AT
phone:          +43 1 2702825
nic-hdl:        FP1470-RIPE
mnt-by:         MASSRESPONSE-MNT
created:        2004-03-15T15:26:47Z
last-modified:  2019-07-26T11:55:14Z
source:         RIPE # Filtered

% Information related to '185.69.244.0/22AS51265'

route:          185.69.244.0/22
descr:          Mass Response Service GmbH
descr:          DC Tower, Donau-City-Straße 7
descr:          1220 Vienna
descr:          AT
origin:         AS51265
mnt-by:         MASSRESPONSE-MNT
created:        2014-12-01T16:22:11Z
last-modified:  2019-07-26T11:47:27Z
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