These entries are queried from radb.net using whois, you can try my project getting these.
:AS37488 route: 196.43.243.0/24 origin: AS37488 descr: ACS changed: *** [at] acs.altech.co.za 20200914 mnt-by: BYTES-MNT mnt-lower: BYTES-MNT changed: *** [at] afrinic.net 20220427 changed: *** [at] afrinic.net 20230719 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source