These entries are queried from radb.net using whois, you can try my project getting these.
:AS61866 route: 38.250.248.0/22 origin: AS61866 descr: Route Registered for Cogent Communications Customer - INTELBRAS S.A. geoidx: BR mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com source: RADB last-modified: 2023-12-05T20:46:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 38.250.248.0/22 descr: Intelbras S/A origin: AS61866 member-of: AS61866:RS-ROUTES notify: grupo.infrati [at] intelbras.com.br mnt-by: MAINT-AS61866 changed: grupo.infrati [at] intelbras.com.br 20231219 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 38.250.248.0/23 descr: Intelbras S/A origin: AS61866 member-of: AS61866:RS-ROUTES notify: grupo.infrati [at] intelbras.com.br mnt-by: MAINT-AS61866 changed: grupo.infrati [at] intelbras.com.br 20231219 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 38.250.248.0/24 descr: Intelbras S/A origin: AS61866 member-of: AS61866:RS-ROUTES notify: grupo.infrati [at] intelbras.com.br mnt-by: MAINT-AS61866 changed: grupo.infrati [at] intelbras.com.br 20231219 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 38.250.249.0/24 descr: Intelbras S/A origin: AS61866 member-of: AS61866:RS-ROUTES notify: grupo.infrati [at] intelbras.com.br mnt-by: MAINT-AS61866 changed: grupo.infrati [at] intelbras.com.br 20231219 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 38.250.250.0/23 descr: Intelbras S/A origin: AS61866 member-of: AS61866:RS-ROUTES notify: grupo.infrati [at] intelbras.com.br mnt-by: MAINT-AS61866 changed: grupo.infrati [at] intelbras.com.br 20231219 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 38.250.250.0/24 descr: Intelbras S/A origin: AS61866 member-of: AS61866:RS-ROUTES notify: grupo.infrati [at] intelbras.com.br mnt-by: MAINT-AS61866 changed: grupo.infrati [at] intelbras.com.br 20231219 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 38.250.251.0/24 descr: Intelbras S/A origin: AS61866 member-of: AS61866:RS-ROUTES notify: grupo.infrati [at] intelbras.com.br mnt-by: MAINT-AS61866 changed: grupo.infrati [at] intelbras.com.br 20231219 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.100.206.0/24 descr: Intelbras S/A origin: AS61866 member-of: AS61866:RS-ROUTES notify: grupo.infrati [at] intelbras.com.br geoidx: BR geoidx: BRA geoidx: 076 geoidx: BR-SC geoidx: Sao Jose mnt-by: MAINT-AS61866 changed: grupo.infrati [at] intelbras.com.br 20231219 source: TC last-modified: 2023-12-20T01:01:21Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.100.206.0/24 descr: CLIENTE_MOB_INTELBRAS S.A. INDUSTRIA DE TELECOMUNICACAO ELETRO origin: AS61866 mnt-by: MAINT-AS28598 changed: mauricio.maehara [at] mobtelecom.com.br 20180504 #23:53:14Z source: RADB last-modified: 2023-11-13T16:12:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.100.206.0/24 descr: Intelbras S/A origin: AS61866 member-of: AS61866:RS-ROUTES notify: grupo.infrati [at] intelbras.com.br mnt-by: MAINT-AS61866 changed: grupo.infrati [at] intelbras.com.br 20231219 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2801:80:be0::/48 origin: AS61866 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: grupo.infrati [at] intelbras.com.br mnt-by: MAINT-AS61866 source: TC last-modified: 2023-12-19T18:44:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2801:80:be0::/48 origin: AS61866 notify: grupo.infrati [at] intelbras.com.br mnt-by: MAINT-AS61866 source: ALTDB descr: Intelbras S/A changed: grupo.infrati [at] intelbras.com.br 20231219 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2801:80:be0::/48 descr: Solicitado por TPA Telecomunicacoes. Dic 02 2014. origin: AS61866 mnt-by: MAINT-AS18678 changed: adminred [at] internexa.com 20150105 #16:26:21Z source: RADB last-modified: 2023-11-13T15:47:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source