These entries are queried from radb.net using whois, you can try my project getting these.
:AS139992 route: 103.147.6.0/24 origin: AS139992 descr: Customer Route | PemKab Cilacap mnt-by: MAINT-AS55655 changed: hendrick [at] sims.co.id 20220614 #08:45:46Z source: RADB last-modified: 2023-11-13T16:11:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source