These entries are queried from radb.net using whois, you can try my project getting these.
:AS52986 route: 177.52.208.0/22 descr: Vupt Provedora de Internet Ltda origin: AS52986 mnt-by: MAINT-AS52986 notify: db-admin [at] bgp.net.br changed: db-admin [at] bgp.net.br 20120625 #11:09:45(BRT) 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: 177.52.208.0/22 descr: ITX_GRUPO G1 origin: AS52986 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20180607 #13:54:25Z source: RADB last-modified: 2023-11-13T15:53:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.52.208.0/23 descr: Vupt Provedora de Internet Ltda origin: AS52986 mnt-by: MAINT-AS52986 notify: db-admin [at] bgp.net.br changed: db-admin [at] bgp.net.br 20120625 #11:09:45(BRT) 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: 177.52.210.0/23 descr: Vupt Provedora de Internet Ltda origin: AS52986 mnt-by: MAINT-AS52986 notify: db-admin [at] bgp.net.br changed: db-admin [at] bgp.net.br 20120625 #11:09:45(BRT) source: TC last-modified: 2021-05-05T02:07:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source