These entries are queried from radb.net using whois, you can try my project getting these.
:AS18560 route: 199.66.232.0/22 descr: Lamar State College - Orange origin: AS18560 mnt-by: MAINT-AS16905 changed: byron.hicks [at] tx-learn.net 20110428 #13:40:16Z source: RADB last-modified: 2023-11-13T15:41:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source