These entries are queried from radb.net using whois, you can try my project getting these.
:AS7639 route: 210.73.64.0/19 descr: CNC Route Object-BJ ShouXinFaZhan origin: AS7639 mnt-by: CHINANETCOM-MNT changed: liuhao [at] china-netcom.com 20010505 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.75.192.0/19 descr: CNC Route Object-BJ ShouXinFaZhan origin: AS7639 mnt-by: CHINANETCOM-MNT changed: liuhao [at] china-netcom.com 20010505 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source