These entries are queried from radb.net using whois, you can try my project getting these.
:AS7640 route: 210.73.96.0/19 descr: PNAP-SEA Jitong origin: AS7640 mnt-by: MAINT-AS1828 changed: royh [at] internap.com 20000229 source: RADB last-modified: 2023-11-13T16:14:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source