These entries are queried from radb.net using whois, you can try my project getting these.
:AS271548 route: 181.174.212.0/22 descr: M A S TELECOM origin: AS271548 mnt-by: MAINT-AS271548 changed: junior [at] routerx.net.br 20211217 source: ALTDB rpki-ov-state: valid route: 181.174.212.0/23 descr: M A S TELECOM origin: AS271548 mnt-by: MAINT-AS271548 changed: junior [at] routerx.net.br 20211217 source: ALTDB rpki-ov-state: valid route: 181.174.212.0/23 descr: CLARO S.A. Customer origin: AS271548 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20220518 source: RADB last-modified: 2023-11-13T16:11:07Z rpki-ov-state: valid route: 181.174.212.0/24 descr: M A S TELECOM origin: AS271548 mnt-by: MAINT-AS271548 changed: junior [at] routerx.net.br 20211217 source: ALTDB rpki-ov-state: valid route: 181.174.212.0/24 descr: CLARO S.A. Customer origin: AS271548 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230919 source: RADB last-modified: 2023-11-13T16:18:37Z rpki-ov-state: valid route: 181.174.213.0/24 descr: CLARO S.A. Customer origin: AS271548 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20220518 source: RADB last-modified: 2023-11-13T16:11:07Z rpki-ov-state: valid route: 181.174.213.0/24 descr: M A S TELECOM origin: AS271548 mnt-by: MAINT-AS271548 changed: junior [at] routerx.net.br 20211217 source: ALTDB rpki-ov-state: valid route: 181.174.214.0/23 descr: M A S TELECOM origin: AS271548 mnt-by: MAINT-AS271548 changed: junior [at] routerx.net.br 20211217 source: ALTDB rpki-ov-state: valid route: 181.174.214.0/24 descr: M A S TELECOM origin: AS271548 mnt-by: MAINT-AS271548 changed: junior [at] routerx.net.br 20211217 source: ALTDB rpki-ov-state: valid route: 181.174.215.0/24 descr: M A S TELECOM origin: AS271548 mnt-by: MAINT-AS271548 changed: junior [at] routerx.net.br 20211217 source: ALTDB rpki-ov-state: valid route6: 2804:7d3c::/32 descr: M A S TELECOM origin: AS271548 mnt-by: MAINT-AS271548 changed: junior [at] routerx.net.br 20211217 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:7d3c::/36 descr: CLARO S.A. Customer origin: AS271548 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230628 source: RADB last-modified: 2023-11-13T16:17:32Z rpki-ov-state: valid route6: 2804:7d3c:1000::/36 descr: M A S TELECOM origin: AS271548 mnt-by: MAINT-AS271548 changed: matheus [at] routerx.net.br 20231011 source: ALTDB rpki-ov-state: valid route6: 2804:7d3c:2000::/36 descr: CLARO S.A. Customer origin: AS271548 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230628 source: RADB last-modified: 2023-11-13T16:17:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:7d3c:3000::/36 descr: CLARO S.A. Customer origin: AS271548 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230628 source: RADB last-modified: 2023-11-13T16:17:32Z rpki-ov-state: valid route6: 2804:7d3c:4000::/36 descr: M A S TELECOM origin: AS271548 mnt-by: MAINT-AS271548 changed: matheus [at] routerx.net.br 20231011 source: ALTDB rpki-ov-state: valid