% 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 '81.18.195.0 - 81.18.195.255'

% Abuse contact for '81.18.195.0 - 81.18.195.255' is 'abuse@upc.pl'

inetnum:        81.18.195.0 - 81.18.195.255
netname:        UPC-PL-NET
descr:          upc.pl
descr:          Corp. Net.
descr:          IPs Allocated Statically
country:        PL
admin-c:        UPC48-RIPE
tech-c:         UPC48-RIPE
status:         ASSIGNED PA
mnt-domains:    UPC-PL-MNT
mnt-by:         UPC-PL-MNT
created:        2009-09-09T15:12:01Z
last-modified:  2009-09-09T16:29:19Z
source:         RIPE

role:           UPC Polska
address:        UPC Polska Sp. z o.o.
address:        Al. Solidarnosci 171
address:        00-877 Warszawa
address:        Poland
phone:          +48 22 2416900
fax-no:         +48 22 2416901
admin-c:        SB666-RIPE
admin-c:        SK1870-RIPE
admin-c:        SS2042-RIPE
tech-c:         SK1870-RIPE
tech-c:         SS2042-RIPE
tech-c:         DW5547-RIPE
tech-c:         PJ4954-RIPE
abuse-mailbox:  abuse@upc.pl
nic-hdl:        UPC48-RIPE
mnt-by:         UPC-PL-MNT
created:        2008-06-20T16:46:07Z
last-modified:  2024-09-24T07:59:25Z
source:         RIPE # Filtered

% Information related to '81.18.192.0/21AS6830'

route:          81.18.192.0/21
descr:          UPC Poland
origin:         AS6830
mnt-by:         AS6830-MNT
created:        2013-08-12T07:35:01Z
last-modified:  2013-08-12T07:35:01Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.114 (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