% 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 '197.155.23.0 - 197.155.23.255'

% Abuse contact for '197.155.23.0 - 197.155.23.255' is 'abuse@vanilla.co.za'

inetnum:        197.155.23.0 - 197.155.23.255
netname:        Vanilla
descr:          Vanilla customers
country:        ZA
admin-c:        AL7-Afrinic
tech-c:         AL7-Afrinic
tech-c:         BV6-AFRINIC
tech-c:         DS45-AFRINIC
tech-c:         PM19-AFRINIC
status:         ASSIGNED PA
remarks:        Geofeed https://vanilla.co.za/vanilla-geofeed.csv
mnt-by:         VANILLA-MNT
source:         AFRINIC # Filtered
parent:         197.155.0.0 - 197.155.31.255

person:         Alan Levin
nic-hdl:        AL7-AFRINIC
address:        Future Perfect Corporation cc, 125 Buitengracht St, 5th floor
address:        Cape Town 8018
address:        South Africa
phone:          tel:+27-21-488-2800
phone:          tel:+27-21-488-2820
remarks:        *******************************
remarks:        This object is to create a person record
remarks:        *******************************
mnt-by:         GENERATED-ZH4Y4XVHH7Q7QAUDZ07JALG89WR5JAQF-MNT
source:         AFRINIC # Filtered

person:         Bretton Vine
address:        125 Buitengracht street
                Cape Town
                South Africa
phone:          tel:+27-83-633-8475
fax-no:         tel:+27-83-633-8475
nic-hdl:        BV6-AFRINIC
mnt-by:         GENERATED-PYEEXCNXQGZBKMZVI7H0OJGHOAMRM8C8-MNT
source:         AFRINIC # Filtered

person:         David Savage
address:        PO Box 51640, West Beach, 7449
phone:          tel:+27-21-557-6868
nic-hdl:        DS45-AFRINIC
mnt-by:         GENERATED-YSY4L7V46EKUEJVJVPR2D9SFXNLNELHD-MNT
source:         AFRINIC # Filtered

person:         Paul McMaster
nic-hdl:        PM19-AFRINIC
address:        125 Buitengracht Street
address:        Cape Town 8018
address:        South Africa
phone:          tel:+27-82-516-3373
mnt-by:         GENERATED-B5QY1LDADAFKUNLWZJUKPZQBQ8MBT9ZS-MNT
source:         AFRINIC # Filtered

% Information related to '197.155.0.0/19AS37199'

route:          197.155.0.0/19
descr:          Vanilla
origin:         AS37199
mnt-by:         VANILLA-MNT
source:         AFRINIC # Filtered