% 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 '165.16.166.0 - 165.16.166.255'

% No abuse contact registered for 165.16.166.0 - 165.16.166.255

inetnum:        165.16.166.0 - 165.16.166.255
netname:        SADV
descr:          SADV
country:        ZA
admin-c:        SIa1-AFRINIC
tech-c:         SIa1-AFRINIC
status:         ASSIGNED PA
mnt-by:         SIa1-MNT
source:         AFRINIC # Filtered
parent:         165.16.160.0 - 165.16.191.255

person:         SADV IP administrator
address:        Serengeti Gold and Wildlife Estate
address:        No 1 Serengeti Boulevard
address:        Estate Management Complex
address:        Witfontein x37
address:        Kempton Park
address:        South Africa
phone:          tel:+27-11-390-7700
fax-no:         tel:+27-11-552-7101
nic-hdl:        SIa1-AFRINIC
remarks:        nic-hdl for OAM of SADV IP address space
mnt-by:         GENERATED-FIPRXIU12ZYHW3KDQ5CZKMFLPZ3P9ZRL-MNT
source:         AFRINIC # Filtered

% Information related to '165.16.166.0/24AS37049'

route:          165.16.166.0/24
origin:         AS37049
descr:          SADV_GP_POOL6
mnt-by:         SADV-MNT
source:         AFRINIC # Filtered