These entries are queried from radb.net using whois, you can try my project getting these.
:AS270934 route: 200.81.144.0/22 origin: AS270934 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: desaprovedor [at] gmail.com mnt-by: MAINT-AS270934 source: TC last-modified: 2022-09-19T12:32:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.81.144.0/22 origin: AS270934 descr: Proxy Object : Cliente ITS_Transito IP: SILVA DE SA INFORMATICA LTDA mnt-by: MAINT-AS28186 changed: alexandre [at] itsbrasil.net 20200717 #17:48:42Z source: RADB last-modified: 2023-11-13T16:01:13Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.81.145.0/24 origin: AS270934 descr: Cliente ITS_Transito IP: MAURILIO SANTANA DE AZEVEDO LTDA <=> Silva de Sá Informática LTDA mnt-by: MAINT-AS28186 changed: dalilaleal [at] itsbrasil.net 20220506 #20:47:48Z source: RADB last-modified: 2023-11-13T16:10:58Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:73bc::/32 origin: AS270934 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: desaprovedor [at] gmail.com mnt-by: MAINT-AS270934 source: TC last-modified: 2022-09-19T12:32:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:73bc::/32 origin: AS270934 descr: Proxy Object : Cliente ITS_Transito IP: SILVA DE SA INFORMATICA LTDA mnt-by: MAINT-AS28186 changed: alexandre [at] itsbrasil.net 20200717 #17:49:17Z source: RADB last-modified: 2023-11-13T16:01:13Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source