These entries are queried from radb.net using whois, you can try my project getting these.
:AS329248 route: 102.212.32.0/22 origin: AS329248 descr: Simtel mnt-by: SI7-MNT changed: *** [at] simtel.co.za 20230420 source: AFRINIC rpki-ov-state: valid route6: 2c0f:440::/32 origin: AS329248 descr: Simtel mnt-by: SI7-MNT changed: *** [at] simtel.co.za 20230425 source: AFRINIC rpki-ov-state: valid