These entries are queried from radb.net using whois, you can try my project getting these.
:AS1432 route: 147.124.0.0/19 descr: Albion College origin: AS1432 mnt-by: MAINT-AS237 changed: mdkuch [at] merit.edu 20210728 #20:38:08Z source: RADB last-modified: 2023-11-13T16:08:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source