These entries are queried from radb.net using whois, you can try my project getting these.
:AS37010 route: 41.222.244.0/22 origin: AS37010 descr: University of Rwanda route object mnt-by: NUR-MNT changed: *** [at] ur.ac.rw 20230922 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source