These entries are queried from radb.net using whois, you can try my project getting these.
:AS37937 route: 59.192.0.0/10 descr: China eGovNet Information Center descr: Xicheng District ,Beijing, P.R. China country: CN origin: AS37937 mnt-by: MAINT-CNNIC-AP last-modified: 2008-09-04T07:54:47Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source