These entries are queried from radb.net using whois, you can try my project getting these.
:AS52591 route: 177.87.68.0/22 descr: S. C. Terres e Cia Ltda origin: AS52591 notify: contato [at] terres.net.br mnt-by: MAINT-AS52591 changed: contato [at] tchesolutions.com.br 20221110 source: TC last-modified: 2022-11-10T14:28:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.87.68.0/23 descr: S. C. Terres e Cia Ltda origin: AS52591 notify: contato [at] terres.net.br mnt-by: MAINT-AS52591 changed: contato [at] tchesolutions.com.br 20221110 source: TC last-modified: 2022-11-10T14:28:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.87.68.0/24 descr: S. C. Terres e Cia Ltda origin: AS52591 notify: contato [at] terres.net.br mnt-by: MAINT-AS52591 changed: contato [at] tchesolutions.com.br 20221110 source: TC last-modified: 2022-11-10T14:28:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.87.69.0/24 descr: S. C. Terres e Cia Ltda origin: AS52591 notify: contato [at] terres.net.br mnt-by: MAINT-AS52591 changed: contato [at] tchesolutions.com.br 20221110 source: TC last-modified: 2022-11-10T14:28:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.87.70.0/23 descr: S. C. Terres e Cia Ltda origin: AS52591 notify: contato [at] terres.net.br mnt-by: MAINT-AS52591 changed: contato [at] tchesolutions.com.br 20221110 source: TC last-modified: 2022-11-10T14:28:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.87.70.0/24 descr: S. C. Terres e Cia Ltda origin: AS52591 notify: contato [at] terres.net.br mnt-by: MAINT-AS52591 changed: contato [at] tchesolutions.com.br 20221110 source: TC last-modified: 2022-11-10T14:28:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.87.71.0/24 descr: S. C. Terres e Cia Ltda origin: AS52591 notify: contato [at] terres.net.br mnt-by: MAINT-AS52591 changed: contato [at] tchesolutions.com.br 20221110 source: TC last-modified: 2022-11-10T14:28:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:3b48::/32 descr: S. C. Terres e Cia Ltda origin: AS52591 notify: contato [at] terres.net.br mnt-by: MAINT-AS52591 changed: contato [at] tchesolutions.com.br 20221110 source: TC last-modified: 2022-11-10T14:29:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:3b48::/32 descr: ITX-VSX origin: AS52591 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20180307 #15:19:28Z source: RADB last-modified: 2023-11-13T15:53:21Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source