These entries are queried from radb.net using whois, you can try my project getting these.
:AS270589 route: 187.0.44.0/22 origin: AS270589 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: lumenfibra [at] gmail.com mnt-by: MAINT-AS270589 source: TC last-modified: 2021-11-03T00:43:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 187.0.44.0/22 descr: Voluy to Marcio Henrique Malaquias Junior origin: AS270589 admin-c: Eduardo Fumes Parajo tech-c: Epafras Rezende Schaden mnt-by: MAINT-AS22356 changed: epafras [at] durand.com.br 20200612 source: RADB last-modified: 2023-11-13T16:00:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 187.0.45.0/24 descr: CLARO S.A. Customer origin: AS270589 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230927 source: RADB last-modified: 2023-11-13T16:18:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:6e54::/32 origin: AS270589 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: lumenfibra [at] gmail.com mnt-by: MAINT-AS270589 source: TC last-modified: 2021-11-03T00:43:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:6e54::/32 descr: Voluy to Marcio Henrique Malaquias Junior origin: AS270589 admin-c: Eduardo Fumes Parajo tech-c: Epafras Rezende Schaden mnt-by: MAINT-AS22356 changed: epafras [at] durand.com.br 20200612 source: RADB last-modified: 2023-11-13T16:00:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source