These entries are queried from radb.net using whois, you can try my project getting these.
:AS13817 route: 8.14.103.0/24 descr: CANTILLON CAPITAL origin: AS13817 mnt-by: MAINT-AS27506 changed: aday [at] lightower.com 20180302 source: RADB last-modified: 2023-11-13T15:53:20Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source