These entries are queried from radb.net using whois, you can try my project getting these.
:AS32318 route: 216.151.39.0/24 descr: CENTER FOR HELLENIC STUDIES origin: AS32318 mnt-by: MAINT-AS7784 changed: noc [at] atlantech.net 20170308 #15:22:24Z source: RADB last-modified: 2023-11-13T15:50:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source