These entries are queried from radb.net using whois, you can try my project getting these.
:AS272711 route: 38.199.0.0/23 origin: AS272711 descr: Route Registered for Cogent Communications Customer Provedor Netlink de Campo Alegre de Lourdes LTDA / Megganet geoidx: BR mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20231211 # 2225Z source: RADB last-modified: 2023-12-11T22:25:28Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 38.199.0.0/24 origin: AS272711 descr: AS272711 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20231222 # 1850Z source: RADB last-modified: 2023-12-22T18:50:03Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 38.199.1.0/24 origin: AS272711 descr: AS272711 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20231222 # 1850Z source: RADB last-modified: 2023-12-22T18:50:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source