These entries are queried from radb.net using whois, you can try my project getting these.
:AS30627 route: 66.159.224.0/24 origin: AS30627 descr: 892 Ross Drive Sunnyvale CA 94089 United States admin-c: NETWO2061-ARIN tech-c: NETWO2061-ARIN mnt-by: MNT-PROOF created: 2021-03-09T18:11:13Z last-modified: 2021-03-09T18:11:13Z source: ARIN rpki-ov-state: valid route: 216.200.144.0/24 descr: Proofpoint Inc. origin: AS30627 mnt-by: MNT-PROOF changed: arin-management [at] proofpoint.com 20160330 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.200.145.0/24 descr: Proofpoint Inc. origin: AS30627 mnt-by: MNT-PROOF changed: arin-management [at] proofpoint.com 20160330 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source