These entries are queried from radb.net using whois, you can try my project getting these.
:AS58929 route: 203.16.232.0/23 origin: AS58929 descr: Proxy route remarks: Proxy route mnt-by: MAINT-AS7545 changed: cnes [at] tpgtelecom.com.au 20230829 source: RADB last-modified: 2023-11-13T16:18:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source