These entries are queried from radb.net using whois, you can try my project getting these.
:AS25990 route: 12.188.253.0/24 descr: RR-RC-OEC Graphics Inc-Oshkosh origin: AS25990 mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 67.220.108.0/24 descr: Proxy Registration | Providyn origin: AS25990 admin-c: QTS-RADB tech-c: QTS-RADB notify: radb-admin [at] qualitytech.com mnt-by: MAINT-QTS changed: blash [at] qualitytech.com 20120516 source: RADB last-modified: 2023-11-13T15:48:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source