These entries are queried from radb.net using whois, you can try my project getting these.
:AS6968 route: 196.29.56.0/21 origin: AS6968 descr: DNS Africa mnt-by: DNSERVICE-MNT changed: *** [at] dnservices.co.za 20161121 changed: *** [at] dnservices.co.za 20201111 source: AFRINIC rpki-ov-state: valid route: 196.29.56.0/21 descr: ZA CENTRAL REGISTRY NPC c/o Liquid SA origin: AS6968 mnt-by: MAINT-AS36937 changed: nitin.pudke [at] neotel.co.za 20180404 source: RADB last-modified: 2024-04-10T13:00:07Z rpki-ov-state: valid route: 196.216.170.0/24 origin: AS6968 descr: ZACR, Anycast mnt-by: POSIX-MNT changed: *** [at] dnservices.co.za 20201111 source: AFRINIC rpki-ov-state: valid route: 196.216.230.0/23 origin: AS6968 descr: ZACR, South Africa mnt-by: POSIX-MNT changed: *** [at] dns.net.za 20160112 source: AFRINIC rpki-ov-state: valid route: 196.216.230.0/23 descr: ZA CENTRAL REGISTRY NPC c/o Liquid SA origin: AS6968 mnt-by: MAINT-AS36937 changed: nitin.pudke [at] neotel.co.za 20180404 source: RADB last-modified: 2024-04-10T13:00:07Z rpki-ov-state: valid route: 206.223.136.0/24 descr: ZACR, South Africa origin: AS6968 mnt-by: DNSERVICE-MNT changed: *** [at] dns.net.za 20160112 changed: *** [at] dnservices.co.za 20161121 source: AFRINIC rpki-ov-state: valid route6: 2001:43f8:30::/48 descr: ZACR, South Africa origin: AS6968 mnt-by: DNSERVICE-MNT changed: *** [at] dns.net.za 20160112 changed: *** [at] dnservices.co.za 20161121 source: AFRINIC rpki-ov-state: valid route6: 2001:43f8:100::/48 origin: AS6968 descr: ZACR, Anycast mnt-by: POSIX-MNT changed: *** [at] dnservices.co.za 20201111 source: AFRINIC rpki-ov-state: valid route6: 2001:43f8:790::/48 descr: DNS Africa origin: AS6968 mnt-by: DNSERVICE-MNT changed: *** [at] dnservices.co.za 20161121 source: AFRINIC rpki-ov-state: valid