% 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 '88.199.0.0 - 88.199.255.255'

% Abuse contact for '88.199.0.0 - 88.199.255.255' is 'abuse@tktelekom.pl'

inetnum:        88.199.0.0 - 88.199.255.255
netname:        PL-TKTELEKOM-20060117
country:        PL
org:            ORG-TKSz1-RIPE
admin-c:        TKT-RIPE
tech-c:         TKT-RIPE
status:         ALLOCATED PA
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         NETIA-MNT
mnt-lower:      TKTELEKOM-MNT
mnt-lower:      NETIA-MNT
mnt-routes:     TKTELEKOM-MNT
created:        2006-01-17T09:43:40Z
last-modified:  2017-10-17T10:32:51Z
source:         RIPE # Filtered

organisation:   ORG-TKSz1-RIPE
org-name:       TK Telekom sp. z o.o.
country:        PL
org-type:       LIR
address:        Ul.Kijowska 10/12a
address:        03-743
address:        Warsaw
address:        POLAND
phone:          +48616337330
fax-no:         +48223922149
admin-c:        TKT-RIPE
admin-c:        WK301-RIPE
tech-c:         TKT-RIPE
abuse-c:        TK5685-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        NETIA-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         NETIA-MNT
created:        2004-04-17T11:48:19Z
last-modified:  2020-12-16T12:28:31Z
source:         RIPE # Filtered

role:           TKTelekom RIPE Team
address:        ul. Kijowska 10/12a
address:        03-743
address:        Warsaw
admin-c:        MM18723-RIPE
admin-c:        RPOZ-RIPE
admin-c:        BZ1103-RIPE
admin-c:        PN4644-RIPE
tech-c:         MM18723-RIPE
tech-c:         PN4644-RIPE
tech-c:         PS5991-RIPE
abuse-mailbox:  abuse@tktelekom.pl
nic-hdl:        TKT-RIPE
mnt-by:         TKTELEKOM-MNT
mnt-by:         NETIA-MNT
created:        2017-10-17T10:25:42Z
last-modified:  2017-10-17T10:31:17Z
source:         RIPE # Filtered

% Information related to '88.199.0.0/16AS20960'

route:          88.199.0.0/16
descr:          TK Telekom sp. z o.o.
origin:         AS20960
mnt-by:         NETIA-MNT
created:        2006-02-07T12:53:01Z
last-modified:  2016-03-14T09:31:52Z
source:         RIPE # Filtered

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

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