These entries are queried from radb.net using whois, you can try my project getting these.
:AS140387 route: 103.147.228.0/23 origin: AS140387 descr: MULTI TERMINAL INDONESIA mnt-by: MAINT-AS4800 changed: noc [at] idola.net.id 20200531 #16:07:31Z source: RADB last-modified: 2023-11-13T16:00:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source