These entries are queried from radb.net using whois, you can try my project getting these.
:AS271296 route: 192.145.220.0/22 descr: ULTRALINK INTERNET BANDA LARGA origin: AS271296 mnt-by: MAINT-AS271296 notify: ronaldo [at] ultralinkce.com.br changed: ronaldo [at] ultralinkce.com.br 2021016 source: TC last-modified: 2021-09-18T17:04:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.145.220.0/22 origin: AS271296 descr: AS271296 Customer mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20210929 #21:11:06Z source: RADB last-modified: 2023-11-13T16:08:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.145.220.0/23 descr: ULTRALINK INTERNET BANDA LARGA origin: AS271296 mnt-by: MAINT-AS271296 notify: ronaldo [at] ultralinkce.com.br changed: ronaldo [at] ultralinkce.com.br 2021016 source: TC last-modified: 2021-09-18T17:32:47Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.145.220.0/24 descr: ULTRALINK INTERNET BANDA LARGA origin: AS271296 mnt-by: MAINT-AS271296 notify: ronaldo [at] ultralinkce.com.br changed: ronaldo [at] ultralinkce.com.br 2021016 source: TC last-modified: 2021-09-18T17:34:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.145.221.0/24 descr: ULTRALINK INTERNET BANDA LARGA origin: AS271296 mnt-by: MAINT-AS271296 notify: ronaldo [at] ultralinkce.com.br changed: ronaldo [at] ultralinkce.com.br 2021016 source: TC last-modified: 2021-09-18T17:35:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.145.222.0/23 descr: ULTRALINK INTERNET BANDA LARGA origin: AS271296 mnt-by: MAINT-AS271296 notify: ronaldo [at] ultralinkce.com.br changed: ronaldo [at] ultralinkce.com.br 2021016 source: TC last-modified: 2021-09-18T17:33:08Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.145.222.0/24 descr: ULTRALINK INTERNET BANDA LARGA origin: AS271296 mnt-by: MAINT-AS271296 notify: ronaldo [at] ultralinkce.com.br changed: ronaldo [at] ultralinkce.com.br 2021016 source: TC last-modified: 2021-09-18T17:35:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.145.223.0/24 descr: ULTRALINK INTERNET BANDA LARGA origin: AS271296 mnt-by: MAINT-AS271296 notify: ronaldo [at] ultralinkce.com.br changed: ronaldo [at] ultralinkce.com.br 2021016 source: TC last-modified: 2021-09-18T17:37:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:7948::/32 descr: ULTRALINK INTERNET BANDA LARGA origin: AS271296 mnt-by: MAINT-AS271296 notify: ronaldo [at] ultralinkce.com.br changed: ronaldo [at] ultralinkce.com.br 20210620 source: TC last-modified: 2021-07-20T16:20:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:7948::/32 descr: CUSTOMER RONALDO MATOS DE CARVALHO ME origin: AS271296 mnt-by: MAINT-AS28598 changed: cassio.passos [at] mobtelecom.com.br 20201002 #17:24:00Z source: RADB last-modified: 2023-11-13T16:12:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:7948::/33 descr: ULTRALINK INTERNET BANDA LARGA origin: AS271296 mnt-by: MAINT-AS271296 notify: ronaldo [at] ultralinkce.com.br changed: ronaldo [at] ultralinkce.com.br 20210620 source: TC last-modified: 2021-07-20T16:26:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:7948::/33 origin: AS271296 descr: AS271296 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20210831 #17:12:57Z source: RADB last-modified: 2023-11-13T16:08:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:7948:8000::/33 descr: ULTRALINK INTERNET BANDA LARGA origin: AS271296 mnt-by: MAINT-AS271296 notify: ronaldo [at] ultralinkce.com.br changed: ronaldo [at] ultralinkce.com.br 20210620 source: TC last-modified: 2021-07-20T16:36:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:7948:8000::/33 origin: AS271296 descr: AS271296 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20210806 #22:39:38Z source: RADB last-modified: 2023-11-13T16:08:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source