% 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 '217.67.16.0 - 217.67.31.255'

% Abuse contact for '217.67.16.0 - 217.67.31.255' is 'ripe-abuse@swan.sk'

inetnum:        217.67.16.0 - 217.67.31.255
netname:        SK-SWAN-20030630
country:        SK
org:            ORG-SPA43-RIPE
admin-c:        SWAN1-RIPE
tech-c:         SWAN1-RIPE
status:         ALLOCATED PA
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         SWAN-MNT
mnt-lower:      SWAN-MNT
created:        2003-06-30T15:27:31Z
last-modified:  2019-05-10T08:46:50Z
source:         RIPE

organisation:   ORG-SPA43-RIPE
org-name:       SWAN, a.s.
country:        SK
org-type:       LIR
address:        Landererova 12
address:        81109
address:        Bratislava
address:        SLOVAKIA
phone:          +421 235000100
admin-c:        SWAN1-RIPE
tech-c:         SWAN1-RIPE
abuse-c:        SWAN1-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        SWAN-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         SWAN-MNT
created:        2015-12-09T17:11:25Z
last-modified:  2020-12-16T12:33:48Z
source:         RIPE # Filtered

role:           SWAN, a.s. RIPE Role Object
address:        SWAN, a.s.
address:        Borska 6, 84104 Bratislava, Slovakia
phone:          +421 2 35000100
admin-c:        MP22686-RIPE
admin-c:        PF7301-RIPE
admin-c:        RP16397-RIPE
tech-c:         PG4851-RIPE
tech-c:         MP22686-RIPE
tech-c:         PF7301-RIPE
nic-hdl:        SWAN1-RIPE
abuse-mailbox:  ripe-abuse@swan.sk
mnt-by:         SWAN-MNT
created:        2002-04-11T14:18:55Z
last-modified:  2024-12-27T09:16:46Z
source:         RIPE # Filtered

% Information related to '217.67.16.0/20AS29208'

route:          217.67.16.0/20
descr:          Dial Telecom
origin:         AS29208
mnt-by:         GTSSK-MNT
created:        2003-07-08T14:31:37Z
last-modified:  2011-12-21T15:11:16Z
source:         RIPE

% Information related to '217.67.16.0/20AS5578'

route:          217.67.16.0/20
descr:          GTS Slovakia NET
origin:         AS5578
mnt-by:         GTSSK-MNT
created:        2011-01-13T11:34:16Z
last-modified:  2011-01-13T11:34:16Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.120 (SHETLAND)