These entries are queried from radb.net using whois, you can try my project getting these.
:AS36904 route: 196.43.248.0/24 descr: Route Object origin: AS36904 mnt-by: Craft-Silicon-MNT changed: *** [at] craftsilicon.com 20201016 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source