These entries are queried from radb.net using whois, you can try my project getting these.
:AS140899 route: 103.153.24.0/24 origin: AS140899 descr: ZL-IDC-SIN-W64084 mnt-by: MAINT-AS21859 changed: ipadmin [at] zenlayer.com 20220124 #13:18:08Z source: RADB last-modified: 2023-11-13T16:09:08Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source