These entries are queried from radb.net using whois, you can try my project getting these.
:AS7001 route: 216.213.16.0/21 descr: Switch Communications Customer Route origin: AS7001 remarks: Route for Cisco Systems, Inc. - Metacloud remarks: 216.213.16.0/21-24 notify: netops-eng [at] switchlv.com mnt-by: SWITCHCOM-MNT changed: netops-eng [at] switchlv.com 20170821 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source