These entries are queried from radb.net using whois, you can try my project getting these.
:AS266450 route: 170.82.248.0/22 descr: Tree tecnologia e telecom ltda origin: AS266450 notify: db-admin [at] bgp.net.br mnt-by: MAINT-AS266450 changed: db-admin [at] bgp.net.br 20200721 source: TC last-modified: 2021-05-05T02:07:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.82.248.0/22 descr: ITX-MJA origin: AS266450 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20181030 #13:27:10Z source: RADB last-modified: 2023-11-13T15:55:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:3804::/32 descr: ITX-MJA origin: AS266450 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20181030 #13:31:31Z source: RADB last-modified: 2023-11-13T15:55:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source