These entries are queried from radb.net using whois, you can try my project getting these.
:AS271646 route: 167.249.68.0/22 origin: AS271646 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: noc [at] ultralinkweb.com.br mnt-by: MAINT-AS271646 source: TC last-modified: 2022-08-13T13:50:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 167.249.68.0/22 origin: AS271646 descr: AS271646 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20230125 #00:26:32Z source: RADB last-modified: 2023-11-13T16:13:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 167.249.68.0/23 descr: CLARO S.A. Customer origin: AS271646 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20221209 source: RADB last-modified: 2023-11-13T16:13:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 167.249.68.0/24 descr: CLARO S.A. Customer origin: AS271646 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20221209 source: RADB last-modified: 2023-11-13T16:13:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 167.249.70.0/23 descr: CLARO S.A. Customer origin: AS271646 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20220722 source: RADB last-modified: 2023-11-13T16:11:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 167.249.70.0/24 descr: CLARO S.A. Customer origin: AS271646 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230223 source: RADB last-modified: 2023-11-13T16:15:21Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 167.249.71.0/24 descr: CLARO S.A. Customer origin: AS271646 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230223 source: RADB last-modified: 2023-11-13T16:15:21Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:7ec4::/32 origin: AS271646 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: noc [at] ultralinkweb.com.br mnt-by: MAINT-AS271646 source: TC last-modified: 2022-08-13T13:50:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:7ec4::/32 origin: AS271646 descr: AS271646 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20230125 #00:29:12Z source: RADB last-modified: 2023-11-13T16:13:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source