These entries are queried from radb.net using whois, you can try my project getting these.
:AS272744 route: 204.157.166.0/23 origin: AS272744 descr: Route Registered for Cogent Communications Customer - DC INTERNET LTDA geoidx: BR mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20230712 #17:46:08Z source: RADB last-modified: 2023-11-13T16:17:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:87fc::/32 origin: AS272744 descr: DC INTERNET notify: noc [at] informac.com.br changed: noc [at] informac.com.br 20240312 mnt-by: MAINT-AS272744 source: TC last-modified: 2024-03-12T18:03:27Z rpki-ov-state: valid route6: 2804:87fc::/33 origin: AS272744 descr: DC INTERNET notify: noc [at] informac.com.br changed: noc [at] informac.com.br 20240312 mnt-by: MAINT-AS272744 source: TC last-modified: 2024-03-12T18:03:27Z rpki-ov-state: valid route6: 2804:87fc::/34 origin: AS272744 descr: DC INTERNET notify: noc [at] informac.com.br changed: noc [at] informac.com.br 20240312 mnt-by: MAINT-AS272744 source: TC last-modified: 2024-03-12T18:03:27Z rpki-ov-state: valid route6: 2804:87fc:4000::/34 origin: AS272744 descr: DC INTERNET notify: noc [at] informac.com.br changed: noc [at] informac.com.br 20240312 mnt-by: MAINT-AS272744 source: TC last-modified: 2024-03-12T18:03:27Z rpki-ov-state: valid route6: 2804:87fc:8000::/33 origin: AS272744 descr: DC INTERNET notify: noc [at] informac.com.br changed: noc [at] informac.com.br 20240312 mnt-by: MAINT-AS272744 source: TC last-modified: 2024-03-12T18:03:27Z rpki-ov-state: valid route6: 2804:87fc:8000::/34 origin: AS272744 descr: DC INTERNET notify: noc [at] informac.com.br changed: noc [at] informac.com.br 20240312 mnt-by: MAINT-AS272744 source: TC last-modified: 2024-03-12T18:03:27Z rpki-ov-state: valid route6: 2804:87fc:c000::/34 origin: AS272744 descr: DC INTERNET notify: noc [at] informac.com.br changed: noc [at] informac.com.br 20240312 mnt-by: MAINT-AS272744 source: TC last-modified: 2024-03-12T18:03:27Z rpki-ov-state: valid