These entries are queried from radb.net using whois, you can try my project getting these.
:AS328631 route: 102.22.248.0/21 origin: AS328631 descr: Broadband users mnt-by: THC1-MNT changed: *** [at] networkstack.co.za 20200630 source: AFRINIC rpki-ov-state: valid route: 102.22.248.0/22 origin: AS328631 descr: BISP-BB-Users1 mnt-by: THC1-MNT changed: *** [at] networkstack.co.za 20210728 source: AFRINIC rpki-ov-state: valid route: 102.22.248.0/24 origin: AS328631 descr: Broadband Users mnt-by: THC1-MNT changed: *** [at] networkstack.co.za 20200625 source: AFRINIC rpki-ov-state: valid route: 102.22.249.0/24 origin: AS328631 descr: Broadband Users mnt-by: THC1-MNT changed: *** [at] networkstack.co.za 20200625 source: AFRINIC rpki-ov-state: valid route: 102.22.250.0/24 origin: AS328631 descr: Broadband Users mnt-by: THC1-MNT changed: *** [at] networkstack.co.za 20200625 source: AFRINIC rpki-ov-state: valid route: 102.22.251.0/24 origin: AS328631 descr: Broadband Users mnt-by: THC1-MNT changed: *** [at] networkstack.co.za 20200625 source: AFRINIC rpki-ov-state: valid route: 102.22.252.0/22 origin: AS328631 descr: BISP-BB-Users2 mnt-by: THC1-MNT changed: *** [at] networkstack.co.za 20210728 source: AFRINIC rpki-ov-state: valid route: 102.22.252.0/24 origin: AS328631 descr: Broadband Users mnt-by: THC1-MNT changed: *** [at] networkstack.co.za 20200625 source: AFRINIC rpki-ov-state: valid route: 102.22.253.0/24 origin: AS328631 descr: Broadband Users mnt-by: THC1-MNT changed: *** [at] networkstack.co.za 20200625 source: AFRINIC rpki-ov-state: valid route: 102.22.254.0/24 origin: AS328631 descr: Broadband Users mnt-by: THC1-MNT changed: *** [at] networkstack.co.za 20200625 source: AFRINIC rpki-ov-state: valid route: 102.22.255.0/24 origin: AS328631 descr: Broadband Users mnt-by: THC1-MNT changed: *** [at] networkstack.co.za 20200625 source: AFRINIC rpki-ov-state: valid route: 102.212.148.0/22 descr: Intrasurf Broadband cc origin: AS328631 mnt-by: IBC-MNT changed: *** [at] three6five.com 20230308 source: AFRINIC rpki-ov-state: valid route: 102.212.148.0/24 descr: Intrasurf Broadband cc origin: AS328631 mnt-by: IBC-MNT changed: *** [at] three6five.com 20230308 source: AFRINIC rpki-ov-state: valid route: 102.212.149.0/24 descr: Intrasurf Broadband cc origin: AS328631 mnt-by: IBC-MNT changed: *** [at] three6five.com 20230308 source: AFRINIC rpki-ov-state: valid route: 102.212.150.0/24 descr: Intrasurf Broadband cc origin: AS328631 mnt-by: IBC-MNT changed: *** [at] three6five.com 20230308 source: AFRINIC rpki-ov-state: valid route: 102.212.151.0/24 descr: Intrasurf Broadband cc origin: AS328631 mnt-by: IBC-MNT changed: *** [at] three6five.com 20230308 source: AFRINIC rpki-ov-state: valid route: 102.213.124.0/22 origin: AS328631 descr: Ballito ISP mnt-by: THC1-MNT changed: *** [at] twcgroup.co.za 20230517 source: AFRINIC rpki-ov-state: valid route: 102.213.124.0/24 descr: Ballito ISP origin: AS328631 mnt-by: THC1-MNT changed: *** [at] ballitoisp.co.za 20230517 source: AFRINIC rpki-ov-state: valid route: 102.213.125.0/24 descr: Ballito ISP origin: AS328631 mnt-by: THC1-MNT changed: *** [at] ballitoisp.co.za 20230517 source: AFRINIC rpki-ov-state: valid route: 102.213.126.0/24 descr: Ballito ISP origin: AS328631 mnt-by: THC1-MNT changed: *** [at] ballitoisp.co.za 20230517 source: AFRINIC rpki-ov-state: valid route: 102.213.127.0/24 descr: Ballito ISP origin: AS328631 mnt-by: THC1-MNT changed: *** [at] ballitoisp.co.za 20230517 source: AFRINIC rpki-ov-state: valid route: 102.218.24.0/22 origin: AS328631 descr: BallitoISP Broadband Users mnt-by: THC1-MNT changed: *** [at] networkstack.co.za 20210930 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 102.218.24.0/23 origin: AS328631 descr: BallitoISP Broadband Users mnt-by: THC1-MNT changed: *** [at] networkstack.co.za 20210930 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 102.218.24.0/24 origin: AS328631 descr: BallitoISP Broadband Users mnt-by: THC1-MNT changed: *** [at] networkstack.co.za 20210930 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 102.218.25.0/24 origin: AS328631 descr: BallitoISP Broadband Users mnt-by: THC1-MNT changed: *** [at] networkstack.co.za 20220623 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 102.218.26.0/24 origin: AS328631 descr: BallitoISP Broadband Users mnt-by: THC1-MNT changed: *** [at] networkstack.co.za 20220623 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 102.218.27.0/24 origin: AS328631 descr: BallitoISP Broadband Users mnt-by: THC1-MNT changed: *** [at] networkstack.co.za 20220623 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 156.0.236.0/22 origin: AS328631 descr: broadband users mnt-by: THC1-MNT changed: *** [at] networkstack.co.za 20200630 source: AFRINIC rpki-ov-state: valid route: 156.0.236.0/24 origin: AS328631 descr: Broadband Users mnt-by: THC1-MNT changed: *** [at] networkstack.co.za 20200625 source: AFRINIC rpki-ov-state: valid route: 156.0.237.0/24 origin: AS328631 descr: Broadband Users mnt-by: THC1-MNT changed: *** [at] networkstack.co.za 20200625 source: AFRINIC rpki-ov-state: valid route: 156.0.238.0/24 origin: AS328631 descr: Broadband Users mnt-by: THC1-MNT changed: *** [at] networkstack.co.za 20200625 source: AFRINIC rpki-ov-state: valid route: 156.0.239.0/24 origin: AS328631 descr: Broadband Users mnt-by: THC1-MNT changed: *** [at] networkstack.co.za 20200625 source: AFRINIC rpki-ov-state: valid route6: 2c0f:e8a8::/32 origin: AS328631 descr: BallitoISP IPv6 mnt-by: THC1-MNT changed: *** [at] networkstack.co.za 20200611 source: AFRINIC rpki-ov-state: valid