These entries are queried from radb.net using whois, you can try my project getting these.
:AS46503 route: 38.106.191.0/24 descr: WBS Connect origin: AS46503 mnt-by: LEVEL3-MNT changed: frank.delungjr [at] level3.com 20081024 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source