These entries are queried from radb.net using whois, you can try my project getting these.
:AS55216 route: 162.210.216.0/21 descr: CarverLink origin: AS55216 mnt-by: MNT-CC-578 changed: administrator [at] carverlink.com 20180917 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source