% 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 '2001:4200:5000::/48'

% Abuse contact for '2001:4200:5000::/48' is 'abuse@tenet.ac.za'

inet6num:       2001:4200:5000::/48
netname:        UFS-IPV6-1
descr:          University of the Free State
descr:          Zastron Street Ext
descr:          Bloemfontein
descr:          9300
country:        ZA
admin-c:        HJ107-AFRINIC
tech-c:         HJ107-AFRINIC
status:         ASSIGNED PA
mnt-by:         TF-192-96-MNT
mnt-lower:      TF-192-96-MNT
source:         AFRINIC # Filtered
parent:         2001:4200::/32

person:         Henry Joubert
address:        University of the Free State
address:        Zostron Street
address:        Bloemfontein, South Africa 9300
address:        ZA
phone:          tel:+27-82-808-1044
nic-hdl:        HJ107-AFRINIC
mnt-by:         GENERATED-WTXIFTPGQDSPZSXFWZVYMKUDGH1HASN0-MNT
source:         AFRINIC # Filtered

% Information related to '2001:4200:5000::/48AS2018'

route6:         2001:4200:5000::/48
origin:         AS2018
descr:          UOFS-2001-4200-5000-48
mnt-by:         TNET-MNT01
source:         AFRINIC # Filtered

% Information related to '2001:4200:5000::/48AS37501'

route6:         2001:4200:5000::/48
descr:          MAINTAINED BY TENET
origin:         AS37501
mnt-by:         TNET-MNT01
source:         AFRINIC # Filtered