These entries are queried from radb.net using whois, you can try my project getting these.
:AS46119 route: 198.140.228.0/24 descr: CHTR Public MI KMA origin: AS46119 mnt-by: CHARTER-MNT changed: wendel.herron [at] chartercom.com 20090602 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.140.228.0/24 descr: MidMichigan Health 4005 Orchard Drive. Midland MI 48670 origin: AS46119 mnt-by: MAINT-AS237 changed: rik [at] merit.edu 20080717 source: RADB last-modified: 2023-11-13T15:39:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source