% 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 '192.142.0.0 - 192.142.255.255'

% No abuse contact registered for 192.142.0.0 - 192.142.255.255

inetnum:        192.142.0.0 - 192.142.255.255
netname:        XDSL-EndCustomer-Assignments
descr:          X-DSL Networking Solutions
country:        ZA
org:            ORG-XNS1-AFRINIC
admin-c:        MvD2-AFRINIC
admin-c:        CH28-AFRINIC
admin-c:        BC39-AFRINIC
tech-c:         MvD2-AFRINIC
tech-c:         CH28-AFRINIC
tech-c:         BC39-AFRINIC
status:         ALLOCATED PA
mnt-by:         AFRINIC-HM-MNT
mnt-lower:      XDSL-AB01-MNT
mnt-domains:    XDSL-AB01-MNT
source:         AFRINIC # Filtered
parent:         0.0.0.0 - 255.255.255.255

organisation:   ORG-XNS1-AFRINIC
org-name:       X-DSL Networking Solutions
org-type:       LIR
country:        ZA
address:        3rd Floor,
address:        Block B,
address:        Corobay Corner,
address:        169 Corobay Avenue,
address:        Menlyn Maine,
address:        Pretoria 0181
phone:          tel:+27-87-980-0375
phone:          tel:+27-86-100-9375
phone:          tel:+27-72-425-6538
phone:          tel:+27-73-750-3109
admin-c:        BC39-AFRINIC
admin-c:        MvD2-AFRINIC
admin-c:        CH28-AFRINIC
tech-c:         BC39-AFRINIC
tech-c:         MvD2-AFRINIC
tech-c:         CH28-AFRINIC
mnt-ref:        AFRINIC-HM-MNT
mnt-ref:        XDSL-AB01-MNT
mnt-by:         AFRINIC-HM-MNT
source:         AFRINIC # Filtered

person:         Brendan Cox
address:        105 Club avenue, Waterkloof Heights
address:        Pretoria 0181
address:        South Africa
phone:          tel:+27-72-425-6538
nic-hdl:        BC39-AFRINIC
source:         AFRINIC # Filtered
mnt-by:         GENERATED-I1ZUOOLPIJETLQCGYWE0EAPZEPKVTDHE-MNT

person:         Carl Heyneke
address:        105 Club avenue, Waterkloof Heights
address:        Pretoria 0181
address:        South Africa
phone:          tel:+27-82-922-6820
nic-hdl:        CH28-AFRINIC
source:         AFRINIC # Filtered
mnt-by:         GENERATED-7EDADJND8ZUOQPRCHWZ8UKQBAQQMAKHJ-MNT

person:         Martin van Dyk
nic-hdl:        MvD2-AFRINIC
address:        71-75 Shelton Street
address:        Covent Garden
address:        London
address:        Great Britain
address:        3rd Floor
address:        Block B
address:        Corobay Corner
address:        169 Corobay Avenue
address:        Pretoria 0181
address:        South Africa
phone:          tel:+27-87-980-0375
phone:          tel:+44-330-027-1850
mnt-by:         XDSL-AB01-MNT
source:         AFRINIC # Filtered