These entries are queried from radb.net using whois, you can try my project getting these.
:AS150202 route: 103.52.6.0/24 origin: AS150202 descr: route-object for AS150202 mnt-by: MAINT-AS138129 changed: sebastian [at] siapnetworks.co.id 20220927 #04:50:34Z source: RADB last-modified: 2023-11-13T16:19:29Z rpki-ov-state: valid