These entries are queried from radb.net using whois, you can try my project getting these.
:AS396511 route: 192.196.220.0/23 descr: Proxy register for customer origin: AS396511 mnt-by: MAINT-AS131207 changed: kong.d [at] sinet.com.kh 20171108 #07:19:13Z source: RADB last-modified: 2023-11-13T15:52:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.196.220.0/24 descr: Proxy register for customer origin: AS396511 mnt-by: MAINT-AS131207 changed: kong.d [at] sinet.com.kh 20171108 #07:19:49Z source: RADB last-modified: 2023-11-13T15:52:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.196.221.0/24 descr: Proxy register for customer origin: AS396511 mnt-by: MAINT-AS131207 changed: kong.d [at] sinet.com.kh 20171108 #07:20:16Z source: RADB last-modified: 2023-11-13T15:52:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source