% 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 '213.21.32.0 - 213.21.39.255'

% Abuse contact for '213.21.32.0 - 213.21.39.255' is 'abuse@wilhelm-tel.de'

inetnum:        213.21.32.0 - 213.21.39.255
netname:        WT-PPPOE-PRIVATE-CUSTOMER-NET
descr:          wilhelm.tel GmbH
descr:          Heidbergstrasse 101-111
descr:          D-22846 Norderstedt
country:        DE
geoloc:         53.705358 9.994244
admin-c:        WN136-RIPE
tech-c:         WN136-RIPE
status:         ASSIGNED PA
mnt-by:         NORDERSTEDT-MNT
created:        2019-11-13T11:57:04Z
last-modified:  2024-02-13T08:24:01Z
source:         RIPE # Filtered

role:           WTNET NCC
address:        wilhelm.tel GmbH
address:        Heidbergstrasse 101-111
address:        D-22846 Norderstedt
address:        Germany
phone:          +49 40 52104 0
fax-no:         +49 40 52104 329
abuse-mailbox:  abuse@wilhelm-tel.de
admin-c:        DF8695-RIPE
tech-c:         DF8695-RIPE
admin-c:        TR2374-RIPE
tech-c:         TR2374-RIPE
admin-c:        dk9080-ripe
tech-c:         dk9080-ripe
admin-c:        tk8587-ripe
tech-c:         TK8587-RIPE
admin-c:        nt3452-ripe
tech-c:         nt3452-ripe
nic-hdl:        WN136-RIPE
mnt-by:         NORDERSTEDT-MNT
created:        2003-10-01T11:35:44Z
last-modified:  2023-05-22T12:42:20Z
source:         RIPE # Filtered

% Information related to '213.21.32.0/20AS15943'

route:          213.21.32.0/20
descr:          wilhelm.tel GmbH
origin:         AS15943
mnt-by:         NORDERSTEDT-MNT
created:        2019-07-19T08:51:09Z
last-modified:  2019-07-19T08:51:09Z
source:         RIPE

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

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