% 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 '213.192.39.0 - 213.192.39.255'

% Abuse contact for '213.192.39.0 - 213.192.39.255' is 'abuse@vodafone.cz'

inetnum:        213.192.39.0 - 213.192.39.255
netname:        CZ-MAXXNET
descr:          MAXXNET.cz s.r.o.
descr:          Opava
country:        CZ
admin-c:        RT7019-RIPE
tech-c:         RT7019-RIPE
status:         ASSIGNED PA
mnt-by:         OSKR-MNT
mnt-lower:      OSKR-MNT
created:        2005-08-25T17:30:48Z
last-modified:  2022-08-17T10:41:43Z
source:         RIPE

person:         Rene Theurer
address:        MAXXNET.cz s.r.o.
address:        Nakladni 4
address:        Opava
address:        746 01
address:        Czech Republic
phone:          +420 777 112 288
nic-hdl:        RT7019-RIPE
mnt-by:         OSKR-MNT
created:        2017-05-05T12:04:24Z
last-modified:  2021-12-22T15:35:08Z
source:         RIPE # Filtered

% Information related to '213.192.32.0/19AS16019'

route:          213.192.32.0/19
descr:          Vodafone Czech Republic a.s.
origin:         AS16019
mnt-by:         VFCZ-MNT
created:        2021-02-02T11:56:19Z
last-modified:  2021-02-02T11:56:19Z
source:         RIPE

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

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