% 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 '41.63.40.0 - 41.63.47.255'

% No abuse contact registered for 41.63.40.0 - 41.63.47.255

inetnum:        41.63.40.0 - 41.63.47.255
netname:        UNZA-NET4
descr:          University of Zambia
country:        ZM
admin-c:        BK7-AFRINIC
tech-c:         SM36-AFRINIC
status:         ASSIGNED PA
mnt-by:         ZAMREN-MNT
source:         AFRINIC # Filtered
parent:         41.63.0.0 - 41.63.63.255

person:         Bonny Khunga
nic-hdl:        BK7-AFRINIC
address:        ZAMREN
address:        P.O. Box 38254
address:        Lusaka 10101
address:        Lusaka
address:        Zambia
phone:          tel:+260-21-1295926
mnt-by:         GENERATED-TY9WSS9UWOTCYPULOONICLKKXGWLFSEV-MNT
source:         AFRINIC # Filtered

person:         Stein Mkandawire
nic-hdl:        SM36-AFRINIC
address:        ZAMREN
address:        P.O. Box 38254
address:        Lusaka 10101
address:        Lusaka
address:        Zambia
phone:          tel:+260-95-3526977
mnt-by:         GENERATED-YTQRDZLKVY7PIGLS7IPMZG46UULI0BO5-MNT
source:         AFRINIC # Filtered

% Information related to '41.63.0.0/18AS37532'

route:          41.63.0.0/18
descr:          ZAMREN Route
origin:         AS37532
mnt-by:         ZAMREN-MNT
source:         AFRINIC # Filtered