These entries are queried from radb.net using whois, you can try my project getting these.
:AS264230 route6: 2804:2490::/32 descr: Bloco de ips cliente "Vesx/Jrd" criado pela equipe Durand do Brazil origin: AS264230 admin-c: Eduardo Fumes Parajo tech-c: Epafras Rezende Schaden mnt-by: MAINT-AS22356 changed: eduardo [at] durand.com.br 20160208 #20:05:24Z source: RADB last-modified: 2023-11-13T15:48:33Z rpki-ov-state: valid route6: 2804:2490::/32 descr: INTERSUL TELECOM COMUNICACOES EIRELI ME origin: AS264230 notify: noc [at] lvnetwork.com.br mnt-by: MAINT-AS264230 changed: noc [at] lvnetwork.com.br 20220509 #17:44:29Z source: TC last-modified: 2022-05-09T20:44:39Z rpki-ov-state: valid