These entries are queried from radb.net using whois, you can try my project getting these.
:AS328925 route: 102.218.152.0/22 origin: AS328925 descr: VentureNet IPv4 Aggregate mnt-by: VIH-MNT changed: *** [at] networkstack.co.za 20210903 source: AFRINIC rpki-ov-state: valid route: 102.218.152.0/24 origin: AS328925 descr: Ballito Users mnt-by: VIH-MNT changed: *** [at] networkstack.co.za 20220203 source: AFRINIC rpki-ov-state: valid route: 102.218.153.0/24 origin: AS328925 descr: Venturenet Ballito mnt-by: VIH-MNT changed: *** [at] networkstack.co.za 20210913 source: AFRINIC rpki-ov-state: valid route: 102.218.154.0/24 origin: AS328925 descr: Broadband Users mnt-by: VIH-MNT changed: *** [at] networkstack.co.za 20220203 source: AFRINIC rpki-ov-state: valid route: 102.218.155.0/24 origin: AS328925 descr: Broadband Customers mnt-by: VIH-MNT changed: *** [at] networkstack.co.za 20220203 source: AFRINIC rpki-ov-state: valid route6: 2c0f:3500::/32 origin: AS328925 descr: VentureNet IPv6 Aggregation mnt-by: VIH-MNT changed: *** [at] networkstack.co.za 20210903 source: AFRINIC rpki-ov-state: valid