% 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 '102.135.139.0 - 102.135.139.255'

% No abuse contact registered for 102.135.139.0 - 102.135.139.255

inetnum:        102.135.139.0 - 102.135.139.255
netname:        SessionTelecoms
descr:          ISPDIVISION
country:        ZA
admin-c:        ST346-AFRINIC
tech-c:         ST346-AFRINIC
status:         ASSIGNED PA
mnt-by:         PAW-PAW-MNT
source:         AFRINIC # Filtered
parent:         102.135.128.0 - 102.135.159.255

person:         Shaun Tolmay
nic-hdl:        ST346-AFRINIC
address:        Building 13, Centuria Office Park, 265 Von Willich address: Avenue
address:        Centurion 0169
address:        South Africa
address:        Pretoria
address:        Other
phone:          tel:+27-860-061-000
mnt-by:         GENERATED-ACEVEMWO0ZMQBHPSX8NMENWSTKF3P9P2-MNT
source:         AFRINIC # Filtered

% Information related to '102.135.139.0/24AS327907'

route:          102.135.139.0/24
descr:          Session Telecoms
origin:         AS327907
mnt-by:         PAW-PAW-MNT
source:         AFRINIC # Filtered