These entries are queried from radb.net using whois, you can try my project getting these.
:AS17221 route: 38.117.243.0/24 descr: Graubard Miller origin: AS17221 mnt-by: MAINT-AS27506 changed: rdavis [at] lightower.com 20150302 source: RADB last-modified: 2023-11-13T15:47:20Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source