These entries are queried from radb.net using whois, you can try my project getting these.
:AS25611 route: 8.25.157.0/24 descr: North Shore Long Island Jewish Health System descr: 972 Brush Hollow Road descr: Westbury, NY 11590 descr: US origin: AS25611 mnt-by: MNT-NSLIJHS changed: RNockowitz [at] NSHS.edu 20110811 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source