These entries are queried from radb.net using whois, you can try my project getting these.
:AS20449 route: 198.51.93.0/24 descr: RR-RC-RANDOLPH HOSPITAL-Asheboro origin: AS20449 notify: publicipaddressing [at] charter.com 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: 206.223.129.0/24 descr: Edupop-Net origin: AS20449 notify: hostmaster [at] rice.edu mnt-by: MAINT-AS8 changed: cathyf [at] rice.edu 20020919 source: RADB last-modified: 2023-11-13T15:39:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source