These entries are queried from radb.net using whois, you can try my project getting these.
:AS61853 route: 201.140.244.0/22 origin: AS61853 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: registrobr [at] tdkom.net.br mnt-by: MAINT-AS61853 source: TC last-modified: 2022-11-22T13:27:08Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 201.140.244.0/22 origin: AS61853 descr: Globenet Customer - America-NET - WSCAN Telecom mnt-by: MAINT-AS52320 changed: leonardo.almeida [at] globenet.net 20200212 #13:34:55Z source: RADB last-modified: 2023-11-13T15:59:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:1a50::/32 origin: AS61853 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: registrobr [at] tdkom.net.br mnt-by: MAINT-AS61853 source: TC last-modified: 2022-11-22T13:27:08Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source