These entries are queried from radb.net using whois, you can try my project getting these.
:AS270902 route: 189.50.36.0/22 descr: CLARO S.A. Customer origin: AS270902 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210713 source: RADB last-modified: 2023-11-13T16:07:52Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 189.50.36.0/22 descr: PROXY FOR OUR CUSTOMER CONE origin: AS270902 mnt-by: MAINT-AS266214 changed: noc [at] utilprovedor.com.br 20211022 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 189.50.36.0/22 descr: R H DE PAULA - EPP origin: AS270902 notify: pilototelecom [at] gmail.com mnt-by: MAINT-AS270902 changed: pilototelecom [at] gmail.com 20210708 source: TC last-modified: 2021-07-08T20:25:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 189.50.36.0/24 descr: CLARO S.A. Customer origin: AS270902 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210713 source: RADB last-modified: 2023-11-13T16:07:52Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 189.50.36.0/24 descr: R H DE PAULA - EPP origin: AS270902 notify: pilototelecom [at] gmail.com mnt-by: MAINT-AS270902 changed: pilototelecom [at] gmail.com 20210708 source: TC last-modified: 2021-07-08T20:25:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 189.50.37.0/24 descr: CLARO S.A. Customer origin: AS270902 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210713 source: RADB last-modified: 2023-11-13T16:07:52Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 189.50.38.0/24 descr: CLARO S.A. Customer origin: AS270902 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210713 source: RADB last-modified: 2023-11-13T16:07:52Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 189.50.38.0/24 descr: R H DE PAULA - EPP origin: AS270902 notify: pilototelecom [at] gmail.com mnt-by: MAINT-AS270902 changed: pilototelecom [at] gmail.com 20210708 source: TC last-modified: 2021-07-08T20:25:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 189.50.39.0/24 descr: R H DE PAULA - EPP origin: AS270902 notify: pilototelecom [at] gmail.com mnt-by: MAINT-AS270902 changed: pilototelecom [at] gmail.com 20210708 source: TC last-modified: 2021-07-08T20:25:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 189.50.39.0/24 descr: CLARO S.A. Customer origin: AS270902 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210713 source: RADB last-modified: 2023-11-13T16:07:52Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:7334::/32 origin: AS270902 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: pilototelecom [at] gmail.com mnt-by: MAINT-AS270902 source: TC last-modified: 2021-07-08T20:07:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:7334::/32 descr: PROXY FOR OUR CUSTOMER CONE origin: AS270902 mnt-by: MAINT-AS266214 changed: noc [at] utilprovedor.com.br 20211022 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:7334::/32 descr: G8 Customer Proxy Route origin: AS270902 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20211022 source: RADB last-modified: 2023-11-13T16:08:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source