These entries are queried from radb.net using whois, you can try my project getting these.
:AS20262 route: 8.12.62.0/24 descr: Transit customer, Data Innovations origin: AS20262 mnt-by: MAINT-SOVER-NOC changed: noc [at] sover.net 20111125 #19:34:09Z source: RADB last-modified: 2023-11-13T16:00:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 8.12.62.0/24 descr: Data Innovations Route origin: AS20262 mnt-by: DATIN1-MNT changed: gail.wolfe [at] level3.com 20090626 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source