These entries are queried from radb.net using whois, you can try my project getting these.
:AS135476 route: 103.75.50.0/23 descr: Proxy-registered route object origin: AS135476 notify: ipnoc [at] pgascom.co.id mnt-by: MAINT-AS58463 changed: ipnoc [at] pgascom.co.id 20170221 source: RADB last-modified: 2023-11-13T15:50:51Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.75.50.0/24 descr: Proxy-registered route object origin: AS135476 notify: ipnoc [at] pgascom.co.id mnt-by: MAINT-AS58463 changed: ipnoc [at] pgascom.co.id 20170221 source: RADB last-modified: 2023-11-13T15:50:51Z rpki-ov-state: valid route: 103.75.50.0/24 descr: Routes announced to Level 3 by BIZNET. origin: AS135476 mnt-by: BIZNET-MNT changed: noc [at] biznetnetworks.com 20161026 source: LEVEL3 rpki-ov-state: valid