These entries are queried from radb.net using whois, you can try my project getting these.
:AS40693 route: 216.158.174.0/24 descr: Central Vermont Medical Center origin: AS40693 mnt-by: MAINT-TVC changed: dan [at] firstlight.net 20160308 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source