These entries are queried from radb.net using whois, you can try my project getting these.
:AS30425 route: 204.126.146.0/23 origin: AS30425 descr: This is a UTA owned prefix announced by UEN mnt-by: MAINT-AS210 changed: jesse [at] uen.org 20200108 #23:45:17Z source: RADB last-modified: 2023-11-13T15:59:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source