These entries are queried from radb.net using whois, you can try my project getting these.
:AS53336 route: 192.58.214.0/24 descr: HAHN-HESSEN origin: AS53336 mnt-by: MAINT-AS27506 changed: rdavis [at] lightower.com 20141124 source: RADB last-modified: 2023-11-13T15:47:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source