% 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.
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% Information related to 'AS328744'

% No abuse contact registered for AS328744

aut-num:        AS328744
as-name:        Platinum-Broadband-AS
descr:          Platinum Broadband
status:         ASSIGNED
admin-c:        SB66-AFRINIC
admin-c:        SM102-AFRINIC
admin-c:        RL31-AFRINIC
tech-c:         CR29-AFRINIC
tech-c:         RL31-AFRINIC
org:            ORG-PB1-AFRINIC
mnt-by:         AFRINIC-HM-MNT
mnt-routes:     PB1-MNT
source:         AFRINIC # Filtered

organisation:   ORG-PB1-AFRINIC
org-name:       Platinum Broadband
org-type:       LIR
country:        ZA
address:        151 Monument Road
address:        Kempton Park 1620
phone:          tel:+27-83-225-9538
phone:          tel:+27-10-025-4333
admin-c:        SB66-AFRINIC
admin-c:        SM102-AFRINIC
admin-c:        RL31-AFRINIC
tech-c:         CR29-AFRINIC
tech-c:         RL31-AFRINIC
mnt-ref:        AFRINIC-HM-MNT
mnt-ref:        PB1-MNT
mnt-by:         AFRINIC-HM-MNT
source:         AFRINIC # Filtered

person:         Cobus Redelinghuys
nic-hdl:        CR29-AFRINIC
address:        151 Monument Road
phone:          tel:+27-61-512-0438
source:         AFRINIC # Filtered
mnt-by:         GENERATED-T1YHLFBEFBJJCVNQ1AJHNXAYVNYSUQJY-MNT

person:         Robert Lubbe
address:        Colab, Ext 2, 194 Bancor Avenue,
address:        Park Lane West Building
address:        Menlyn Maine, Waterkloof Glen
address:        Pretoria
address:        South Africa
phone:          tel:+27-10-025-4333
nic-hdl:        RL31-AFRINIC
source:         AFRINIC # Filtered
mnt-by:         GENERATED-EYAOHGYYAFEYAP1FKJJ8IEFCJWOOODSX-MNT

person:         Shaun Barkhuizen
nic-hdl:        SB66-AFRINIC
address:        151 Monument Road
address:        Kempton Park
address:        South Africa
phone:          tel:+27-83-225-9538
mnt-by:         GENERATED-WN6YNZQUDPMWIPXK9JL94QJGJ8SDKGLO-MNT
source:         AFRINIC # Filtered

person:         Srini Moodley
nic-hdl:        SM102-AFRINIC
address:        151 Monument Road
phone:          tel:+27-82-377-4576
source:         AFRINIC # Filtered
mnt-by:         GENERATED-VTZLQBRGNOO3TRMCPEPE3PWVZKRMWJUH-MNT