These entries are queried from radb.net using whois, you can try my project getting these.
:AS55110 route: 8.35.8.0/24 descr: cus routes origin: AS55110 mnt-by: AUCTION-MNT changed: smc [at] level3.com 20130512 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source