These entries are queried from radb.net using whois, you can try my project getting these.
:AS36022 route: 204.16.64.0/22 descr: Chesapeake Operating Inc origin: AS36022 mnt-by: MNT-CHESA-3 changed: InetManagement [at] chkenergy.com 20051020 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source