% 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 '196.13.243.0 - 196.13.243.255'

% No abuse contact registered for 196.13.243.0 - 196.13.243.255

inetnum:        196.13.243.0 - 196.13.243.255
netname:        AEID
descr:          Associacao Escola Internacional de Luanda
country:        AO
org:            ORG-AEID1-AFRINIC
admin-c:        FS53-AFRINIC
admin-c:        DD44-AFRINIC
admin-c:        CJ20-AFRINIC
tech-c:         FS53-AFRINIC
tech-c:         CJ20-AFRINIC
tech-c:         PC11-AFRINIC
status:         ASSIGNED PI
mnt-by:         AFRINIC-HM-MNT
mnt-lower:      AEID-MNT
source:         AFRINIC # Filtered
parent:         196.0.0.0 - 196.255.255.255

organisation:   ORG-AEID1-AFRINIC
org-name:       Associacao Escola Internacional de Luanda
org-type:       EU-PI
country:        AO
address:        Talatona
address:        Luanda
phone:          tel:+244-924-171-361
phone:          tel:+244-942-658-343
phone:          tel:+244-938-696-670
phone:          tel:+244-932-337-056
phone:          tel:+244-932-337-057
admin-c:        CJ20-AFRINIC
admin-c:        DD44-AFRINIC
admin-c:        FS53-AFRINIC
tech-c:         CJ20-AFRINIC
tech-c:         PC11-AFRINIC
tech-c:         FS53-AFRINIC
mnt-ref:        AFRINIC-HM-MNT
mnt-ref:        AEID-MNT
mnt-by:         AFRINIC-HM-MNT
source:         AFRINIC # Filtered

person:         Claudio Jorge
address:        Via S6 - Bairro Talatona
address:        Luanda
address:        Angola
phone:          tel:+244-923-332-474
nic-hdl:        CJ20-AFRINIC
source:         AFRINIC # Filtered
mnt-by:         GENERATED-IHT7T6GDKJ4LMUIQCCQY5FDD51GPGJG2-MNT

person:         Dalene Dreyer
address:        Via S6, Bairro da Talatona,
address:        Mun. de Belas
address:        Luanda 1566
address:        Angola
phone:          tel:+244-932-337-056
nic-hdl:        DD44-AFRINIC
mnt-by:         GENERATED-22K27TXFTMPBKQARH5UQSWNAYWLE6RLE-MNT
source:         AFRINIC # Filtered

person:         Francisco Santos
address:        Via S6, Bairro da Talatona,
address:        Mun. de Belas
address:        Luanda
address:        Angola
phone:          tel:+244-928-178-457
nic-hdl:        FS53-AFRINIC
source:         AFRINIC # Filtered
mnt-by:         GENERATED-O8OBS45O7HJBNRJ9GBNWFDJFG8NOBYQA-MNT

person:         Pedro Cabaca
nic-hdl:        PC11-AFRINIC
address:        Rua de Talatona, Luanda Sul
address:        Samba
address:        Luanda
address:        Angola
address:        Luanda
address:        Angola
phone:          tel:+244-924-171-361
mnt-by:         GENERATED-HIMQKXGYEOMVLXDFODF6UUAG61WQVFS2-MNT
source:         AFRINIC # Filtered