These entries are queried from radb.net using whois, you can try my project getting these.
:AS52466 route: 181.224.172.0/22 descr: Prefijos de Porta origin: AS52466 mnt-by: MAINT-AS12252 changed: armando.quiroga [at] claro.com.pe 20140207 #17:01:59Z source: RADB last-modified: 2023-11-13T15:50:57Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source