These entries are queried from radb.net using whois, you can try my project getting these.
:AS32832 route: 52.144.30.0/24 descr: Environmental Systems Design origin: AS32832 mnt-by: MAINT-AS27506 changed: mdimambro [at] lightower.com 20180322 source: RADB last-modified: 2023-11-13T15:53:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source