These entries are queried from radb.net using whois, you can try my project getting these.
:AS52884 route: 186.209.208.0/21 descr: Solicitado por nuestro cliente NIB para Intervale. Mayo 08 2014. origin: AS52884 mnt-by: MAINT-AS18678 changed: adminred [at] internexa.com 20140509 #21:44:13Z source: RADB last-modified: 2023-11-13T15:46:20Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:980::/32 descr: Solicitado por nuestro cliente NIB para intervale. Mayo 08 2014. origin: AS52884 mnt-by: MAINT-AS18678 changed: adminred [at] internexa.com 20140509 #22:37:34Z source: RADB last-modified: 2023-11-13T15:46:20Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source