These entries are queried from radb.net using whois, you can try my project getting these.
:AS15239 route: 64.208.171.0/24 descr: PNAP-NYM Kozmo-NYM origin: AS15239 mnt-by: MAINT-AS1828 changed: shawnb [at] internap.com 20001129 source: RADB last-modified: 2023-11-13T16:14:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 209.50.151.0/24 origin: AS15239 descr: PenTeleData Reassignment Prefix - Franklin Mutual Insurance Company 209.50.151.0/24 AS15239 member-of: RS-PTD-DOWNSTREAM admin-c: SCHNE-ARIN tech-c: SYSTE-ARIN mnt-by: MNT-PENN-Z created: 2023-10-04T16:02:00Z last-modified: 2023-10-04T16:02:00Z source: ARIN rpki-ov-state: valid