% APNIC found the following authoritative answer from: whois.afrinic.net

% This is the AfriNIC Whois server.
% The AFRINIC whois database is subject to  the following terms of Use. See https://afrinic.net/whois/terms

% Note: this output has been filtered.
%       To receive output for a database update, use the "-B" flag.

% Information related to '196.21.108.0 - 196.21.111.255'

% Abuse contact for '196.21.108.0 - 196.21.111.255' is 'abuse@tenet.ac.za'

inetnum:        196.21.108.0 - 196.21.111.255
netname:        UL-MEDUNSA-196-21-108-0
descr:          University of Limpopo
descr:          Medunsa campus
descr:          Rosslyn/Britz Road
descr:          near Garankuwa Hospital
descr:          Medunsa
descr:          0204
country:        ZA
admin-c:        MM2103-AFRINIC
tech-c:         MM2103-AFRINIC
status:         ASSIGNED PA
mnt-by:         TF-196-21-MNT
mnt-lower:      TF-196-21-MNT
source:         AFRINIC # Filtered
parent:         196.21.0.0 - 196.21.255.255

person:         Manie Maree
address:        Medical University of South Africa
address:        P O Medunsa
address:        Pretoria, South Afirca 0204
address:        ZA
phone:          tel:+27-12-521-5941
nic-hdl:        MM2103-AFRINIC
mnt-by:         GENERATED-GAXECMRNDJSLH9TLGPETVD1TLRLAF4TG-MNT
source:         AFRINIC # Filtered

% Information related to '196.21.0.0/16AS2018'

route:          196.21.0.0/16
descr:          MAINTAINED BY TENET
origin:         AS2018
mnt-by:         TNET-MNT01
source:         AFRINIC # Filtered