These entries are queried from radb.net using whois, you can try my project getting these.
:AS46627 route: 199.108.160.0/21 origin: AS46627 descr: OrgName: CERFnet customer - Freese-Notis Weather OrgId: CCFW Address: 2411 Grand Ave. City: Des Moines StateProv: IA PostalCode: 50312 Country: US mnt-by: MAINT-AS5056 changed: will.hughes [at] aureon.com 20200818 #19:09:13Z source: RADB last-modified: 2023-11-13T16:01:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source