These entries are queried from radb.net using whois, you can try my project getting these.
:AS270496 route: 24.152.108.0/22 origin: AS270496 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: dmarteleto [at] gmail.com mnt-by: MAINT-AS270496 source: TC last-modified: 2021-06-06T11:30:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 24.152.108.0/22 origin: AS270496 descr: FORTE-CUSTOMER mnt-by: MAINT-AS263009 changed: vitor [at] fortetelecom.com.br 20200326 #12:26:38Z source: RADB last-modified: 2023-11-13T16:00:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 24.152.108.0/24 descr: CLARO S.A. Customer origin: AS270496 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210312 source: RADB last-modified: 2023-11-13T16:05:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 24.152.109.0/24 descr: CLARO S.A. Customer origin: AS270496 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210312 source: RADB last-modified: 2023-11-13T16:05:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 24.152.110.0/24 descr: CLARO S.A. Customer origin: AS270496 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210312 source: RADB last-modified: 2023-11-13T16:05:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 24.152.111.0/24 descr: CLARO S.A. Customer origin: AS270496 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210312 source: RADB last-modified: 2023-11-13T16:05:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:6cd8::/32 origin: AS270496 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: dmarteleto [at] gmail.com mnt-by: MAINT-AS270496 source: TC last-modified: 2021-06-06T11:30:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:6cd8::/32 origin: AS270496 descr: FORTE-CUSTOMER mnt-by: MAINT-AS263009 changed: vitor [at] fortetelecom.com.br 20200326 #12:27:27Z source: RADB last-modified: 2023-11-13T16:00:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source