These entries are queried from radb.net using whois, you can try my project getting these.
:AS270909 route: 138.97.76.0/22 descr: ALVES E ALCANTARA LTDA origin: AS270909 notify: db-admin [at] bgp.net.br mnt-by: MAINT-AS270909 changed: db-admin [at] bgp.net.br 20201024 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: 138.97.76.0/22 descr: This is a Commcorp Telecom customer proxy route object that was created because no existing route object with the same origin was found. Please contact noc [at] commcorp.com.br if you have any questions regarding this object. origin: AS270909 mnt-by: MAINT-AS14840 changed: gacosta [at] commcorp.com.br 20200811 source: RADB last-modified: 2023-11-13T16:01:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 138.97.79.0/24 descr: CLARO S.A. Customer origin: AS270909 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20201013 source: RADB last-modified: 2023-11-13T16:02:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:7358::/32 descr: This is a Commcorp Telecom customer proxy route object that was created because no existing route object with the same origin was found. Please contact noc [at] commcorp.com.br if you have any questions regarding this object. origin: AS270909 mnt-by: MAINT-AS14840 changed: gacosta [at] commcorp.com.br 20200811 source: RADB last-modified: 2023-11-13T16:01:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source