% 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 '196.11.240.0 - 196.11.243.255'

% No abuse contact registered for 196.11.240.0 - 196.11.243.255

inetnum:        196.11.240.0 - 196.11.243.255
netname:        NETBLK-RSAMTN
descr:          Mobile Telephone Network
descr:          PO Box 782508
descr:          Sandton
descr:          2146
country:        ZA
org:            ORG-VSA1-AFRINIC
admin-c:        AM158-AFRINIC
admin-c:        AT32-AFRINIC
admin-c:        DM117-AFRINIC
admin-c:        MS161-AFRINIC
tech-c:         AM158-AFRINIC
tech-c:         AT32-AFRINIC
tech-c:         DM117-AFRINIC
status:         ASSIGNED PI
remarks:        please send abuse reports to abuse@mtnbusiness.co.za
mnt-by:         AFRINIC-HM-MNT
mnt-lower:      MTNSA-MNT
mnt-domains:    MTNSA-MNT
source:         AFRINIC # Filtered
parent:         196.0.0.0 - 196.255.255.255

organisation:   ORG-VSA1-AFRINIC
org-name:       MTN SA
org-type:       LIR
country:        ZA
address:        216 14th Avenue
address:        Fairland
address:        Johannesburg 2196
phone:          tel:+27-11-912-3000
admin-c:        DM117-AFRINIC
admin-c:        AT32-AFRINIC
admin-c:        AM158-AFRINIC
admin-c:        MS161-AFRINIC
tech-c:         DM117-AFRINIC
tech-c:         AT32-AFRINIC
tech-c:         AM158-AFRINIC
mnt-ref:        AFRINIC-HM-MNT
mnt-ref:        MTNSA-MNT
mnt-by:         AFRINIC-HM-MNT
source:         AFRINIC # Filtered

person:         Alan McKinnon
nic-hdl:        AM158-AFRINIC
address:        216 14th Avenue
address:        Fairland
address:        Johannesburg 2196
address:        South Africa
phone:          tel:+27-11-912-3000
mnt-by:         GENERATED-UT5UMLTTEHMTSJAQCJWBQJCTVQ9AI6BE-MNT
source:         AFRINIC # Filtered

person:         Antonio Teixeira
nic-hdl:        AT32-AFRINIC
address:        216 14th Avenue, Fairland
address:        Roodepoort, 2195.
address:        Roodepoort
address:        South Africa
phone:          tel:+27-11-912-3000
mnt-by:         GENERATED-U9MUUZCT6LZSJ6CZU7EJCT62JKCIEW3M-MNT
source:         AFRINIC # Filtered

person:         Dijon Mannie
nic-hdl:        DM117-AFRINIC
address:        216 14th Avenue
address:        MTN Innovation Centre
address:        Fairland
address:        Roodepoort
address:        2195
address:        Johannesburg
address:        South Africa
address:        South Africa
address:        Other
phone:          tel:+27-83-912-3000
mnt-by:         GENERATED-C8SUDYYLB1HFQ4IWUKAD8NC3ZGJ4ZYPJ-MNT
source:         AFRINIC # Filtered

person:         Mike Silber
address:        MTN Group
address:        216 14th Ave
address:        Fairlands
address:        Roodepoort
address:        South Africa
phone:          tel:+27-11-912-4000
nic-hdl:        MS161-AFRINIC
source:         AFRINIC # Filtered
mnt-by:         GENERATED-K1GUDID9VRZ0H0BVXEMJ1SVX7GYGQHX2-MNT