These entries are queried from radb.net using whois, you can try my project getting these.
:AS270751 route: 177.12.220.0/22 descr: R2 TELECOM LTDA ME origin: AS270751 notify: r2telecommcz [at] gmail.com mnt-by: MAINT-AS270751 changed: r2telecommcz [at] gmail.com 20230216 source: TC last-modified: 2023-02-16T12:20:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.12.220.0/24 descr: CLARO S.A. Customer origin: AS270751 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20220317 source: RADB last-modified: 2023-11-13T16:10:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.12.220.0/24 descr: R2 TELECOM LTDA ME origin: AS270751 notify: r2telecommcz [at] gmail.com mnt-by: MAINT-AS270751 changed: r2telecommcz [at] gmail.com 20230216 source: TC last-modified: 2023-02-16T12:20:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.12.221.0/24 descr: CLARO S.A. Customer origin: AS270751 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.12.221.0/24 descr: R2 TELECOM LTDA ME origin: AS270751 notify: r2telecommcz [at] gmail.com mnt-by: MAINT-AS270751 changed: r2telecommcz [at] gmail.com 20230216 source: TC last-modified: 2023-02-16T12:20:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.12.222.0/23 descr: R2 TELECOM LTDA ME origin: AS270751 notify: r2telecommcz [at] gmail.com mnt-by: MAINT-AS270751 changed: r2telecommcz [at] gmail.com 20230216 source: TC last-modified: 2023-02-16T12:20:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.12.222.0/24 descr: CLARO S.A. Customer origin: AS270751 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20220318 source: RADB last-modified: 2023-11-13T16:10:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.12.222.0/24 descr: R2 TELECOM LTDA ME origin: AS270751 notify: r2telecommcz [at] gmail.com mnt-by: MAINT-AS270751 changed: r2telecommcz [at] gmail.com 20230216 source: TC last-modified: 2023-02-16T12:20:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.12.223.0/24 descr: CLARO S.A. Customer origin: AS270751 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.12.223.0/24 descr: R2 TELECOM LTDA ME origin: AS270751 notify: r2telecommcz [at] gmail.com mnt-by: MAINT-AS270751 changed: r2telecommcz [at] gmail.com 20230216 source: TC last-modified: 2023-02-16T12:20:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:70d4::/32 origin: AS270751 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: r2telecommcz [at] gmail.com mnt-by: MAINT-AS270751 source: TC last-modified: 2023-02-13T16:25:51Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:70d4::/32 descr: AS-STA-CUSTOMER-270751 origin: AS270751 remarks: Cliente do Cliente START TELECOM remarks: AS PATH 267613 264359 270751 remarks: Usuario XConn rsilva remarks: ************************************************************ remarks: This is a Eletronet customer proxy route object that was cre remarks: ated because no existing route object with the same origin w remarks: as found. Please contact noc [at] eletronet.net.br if you have an remarks: y questions regarding this object. remarks: ************************************************************ notify: coreweb_tier2 [at] eletronet.com notify: filtrosbgpoperadoras [at] eletronet.com notify: silva [at] proativetec.com.br mnt-by: MAINT-AS267613 changed: filtrosbgpoperadoras [at] eletronet.com 20220705 #11:20:58Z source: RADB last-modified: 2023-11-13T16:11:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source