% 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 '197.221.231.0 - 197.221.231.255'

% No abuse contact registered for 197.221.231.0 - 197.221.231.255

inetnum:        197.221.231.0 - 197.221.231.255
netname:        MAZOE-EARTH-STATION
descr:          MAZOE-EARTH-STATION
descr:          RESERVED
country:        ZW
admin-c:        TC6-AFRINIC
tech-c:         TC24-AFRINIC
tech-c:         OB18-AFRINIC
tech-c:         PC21-AFRINIC
status:         ASSIGNED PA
mnt-by:         AS8668-MAINTAINER
source:         AFRINIC # Filtered
parent:         197.221.224.0 - 197.221.255.255

person:         Oscar Bosha
address:        TelOne Harare Main Exchange
address:        P.O Box CY331 Causeway
address:        Harare Zimbabwe
phone:          tel:+263-242251519
phone:          tel:+263-77-358-7820
nic-hdl:        OB18-AFRINIC
source:         AFRINIC # Filtered
mnt-by:         GENERATED-RCMDCCVFQGWVHZ5OW0FYW1NSCCFJWM9H-MNT

person:         Pyllis Chundu
address:        TelOne Harare Main Exchange
address:        P.O Box CY331 Causeway
address:        Harare Zimbabwe
phone:          tel:+263-242700558
nic-hdl:        PC21-AFRINIC
source:         AFRINIC # Filtered
mnt-by:         GENERATED-0EZUVAV41NNWSAOQUXGURDJQKUSQUPVZ-MNT

person:         Tinashe Chinhema
address:        TelOne Main Exchange Building, address: corner Samora Machel Avenue and address: Sam Nujoma Street, Harare, address: Zimbabwe
phone:          tel:+263-4-792-272
nic-hdl:        TC24-AFRINIC
mnt-by:         GENERATED-9W3JCVV3RELEUJ8LK6MVHQTEQSUQH9E8-MNT
source:         AFRINIC # Filtered

person:         Tafara Chipunza
nic-hdl:        TC6-AFRINIC
address:        107 Kwame Nkrumah Ave
address:        Harare Zimbabwe
address:        Harare
address:        Zimbabwe
phone:          tel:+263-242795575
fax-no:         tel:+263-242795575
mnt-by:         GENERATED-XII3EFS9WUMHIC8YFQD59NJRYRIHTG5A-MNT
source:         AFRINIC # Filtered

% Information related to '197.221.231.0/24AS37204'

route:          197.221.231.0/24
origin:         AS37204
descr:          TelOne
mnt-by:         AS8668-MAINTAINER
source:         AFRINIC # Filtered