These entries are queried from radb.net using whois, you can try my project getting these.
:AS35850 route: 206.108.116.0/22 descr: Suffolk COOP Library System origin: AS35850 mnt-by: MAINT-AS27506 changed: fvonhoff [at] lightower.com 20150609 source: RADB last-modified: 2023-11-13T15:47:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source