These entries are queried from radb.net using whois, you can try my project getting these.
:AS46451 route: 198.160.5.0/24 origin: AS46451 mnt-by: MNT-EMH-3 descr: 43 Whiting Hill Road Cianchette Building Brewer ME 04412 United States tech-c: NOC12781-ARIN admin-c: NOC12781-ARIN source: ARIN created: 2020-08-11T12:49:15Z last-modified: 2020-08-11T12:49:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source