These entries are queried from radb.net using whois, you can try my project getting these.
:AS150337 route: 38.47.50.0/24 descr: Peng Cloud Technology Limited (Customer Route) origin: AS150337 notify: support [at] beecloudsystem.com mnt-by: MAINT-HKBCS-HK changed: support [at] beecloudsystem.com 20220930 source: NTTCOM last-modified: 2022-09-30T03:43:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source