These entries are queried from radb.net using whois, you can try my project getting these.
:AS52916 route: 143.255.16.0/22 origin: AS52916 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: miranda.vga [at] gmail.com mnt-by: MAINT-AS52916 source: TC last-modified: 2023-01-17T01:37:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.255.16.0/22 origin: AS52916 descr: Datanet Provedor de Internet Ltda mnt-by: MAINT-AS266135 changed: joaopaulo [at] spacetelecom.com.br 20191007 #19:39:00Z source: RADB last-modified: 2023-11-13T16:18:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.255.16.0/23 descr: CLARO S.A. Customer origin: AS52916 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20231221 source: RADB last-modified: 2023-12-21T13:51:08Z rpki-ov-state: valid route: 143.255.17.0/24 descr: CLARO S.A. Customer origin: AS52916 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20211116 source: RADB last-modified: 2023-11-13T16:08:40Z rpki-ov-state: valid route: 143.255.18.0/24 descr: CLARO S.A. Customer origin: AS52916 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20240305 source: RADB last-modified: 2024-03-05T15:20:07Z rpki-ov-state: valid route: 177.10.20.0/22 origin: AS52916 descr: Customer American Tower mnt-by: MAINT-AS23106 changed: bgp.fibra [at] americantower.com 20201103 #20:17:38Z source: RADB last-modified: 2023-11-13T16:11:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.10.20.0/22 origin: AS52916 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: miranda.vga [at] gmail.com mnt-by: MAINT-AS52916 source: TC last-modified: 2023-01-17T01:37:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.10.20.0/23 descr: CLARO S.A. Customer origin: AS52916 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20231229 source: RADB last-modified: 2023-12-29T14:22:01Z rpki-ov-state: valid route: 177.10.20.0/24 descr: CLARO S.A. Customer origin: AS52916 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20231221 source: RADB last-modified: 2023-12-21T13:51:08Z rpki-ov-state: valid route: 177.10.21.0/24 descr: CLARO S.A. Customer origin: AS52916 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20231221 source: RADB last-modified: 2023-12-21T13:51:08Z rpki-ov-state: valid route: 177.10.22.0/24 descr: CLARO S.A. Customer origin: AS52916 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20231221 source: RADB last-modified: 2023-12-21T13:51:08Z rpki-ov-state: valid route6: 2804:2b10::/32 origin: AS52916 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: miranda.vga [at] gmail.com mnt-by: MAINT-AS52916 source: TC last-modified: 2023-01-17T01:37:47Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2b10::/32 origin: AS52916 descr: Customer American Tower mnt-by: MAINT-AS23106 changed: bgp.fibra [at] americantower.com 20200924 #21:43:05Z source: RADB last-modified: 2023-11-13T16:11:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2b10::/37 descr: CLARO S.A. Customer origin: AS52916 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20231030 source: RADB last-modified: 2023-11-13T16:19:21Z rpki-ov-state: valid route6: 2804:2b10::/38 descr: CLARO S.A. Customer origin: AS52916 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20231030 source: RADB last-modified: 2023-11-13T16:19:21Z rpki-ov-state: valid route6: 2804:2b10::/39 descr: CLARO S.A. Customer origin: AS52916 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20231030 source: RADB last-modified: 2023-11-13T16:19:21Z rpki-ov-state: valid route6: 2804:2b10:200::/39 descr: CLARO S.A. Customer origin: AS52916 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20240119 source: RADB last-modified: 2024-01-19T14:09:21Z rpki-ov-state: valid