These entries are queried from radb.net using whois, you can try my project getting these.
:AS28226 route: 187.33.32.0/20 descr: ITX-Iagente origin: AS28226 mnt-by: MAINT-AS18678 changed: adminred [at] internexa.com 20170505 #17:26:25Z source: RADB last-modified: 2023-11-13T15:51:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.49.32.0/19 descr: Solicitado por nuestro cliente AVVIO. Junio 12 2014 origin: AS28226 mnt-by: MAINT-AS18678 changed: adminred [at] internexa.com 20140613 #20:25:51Z source: RADB last-modified: 2023-11-13T15:46:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source