These entries are queried from radb.net using whois, you can try my project getting these.
:AS30050 route: 38.108.239.0/24 descr: Marathon Asset Management origin: AS30050 mnt-by: MAINT-AS27506 changed: rsansone [at] lightower.com 20170531 source: RADB last-modified: 2023-11-13T15:51:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source