These entries are queried from radb.net using whois, you can try my project getting these.
:AS270256 route: 200.108.172.0/22 origin: AS270256 descr: CUSTOMER VILDONET TELECOM mnt-by: MAINT-AS28598 changed: jose.tiago [at] mobtelecom.com.br 20200220 #14:22:45Z source: RADB last-modified: 2023-11-13T16:12:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.108.172.0/22 descr: PROXY FOR CUSTOMER VILDONET- BY SPEEDNET origin: AS270256 mnt-by: MAINT-AS263362 changed: glauber [at] gbti.net.br 20211019 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.108.172.0/22 descr: VILDONET TELECOM origin: AS270256 notify: vildosirqueira [at] gmail.com mnt-by: MAINT-AS270256 changed: vildosirqueira [at] gmail.com 20230208 source: TC last-modified: 2023-02-08T23:15:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.108.172.0/23 descr: VILDONET TELECOM origin: AS270256 notify: vildosirqueira [at] gmail.com mnt-by: MAINT-AS270256 changed: vildosirqueira [at] gmail.com 20230208 source: TC last-modified: 2023-02-08T23:15:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.108.172.0/24 descr: VILDONET TELECOM origin: AS270256 notify: vildosirqueira [at] gmail.com mnt-by: MAINT-AS270256 changed: vildosirqueira [at] gmail.com 20230208 source: TC last-modified: 2023-02-08T23:15:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.108.172.0/24 descr: CLARO S.A. Customer origin: AS270256 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210917 source: RADB last-modified: 2023-11-13T16:08:13Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.108.173.0/24 descr: CLARO S.A. Customer origin: AS270256 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210915 source: RADB last-modified: 2023-11-13T16:08:13Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.108.173.0/24 descr: VILDONET TELECOM origin: AS270256 notify: vildosirqueira [at] gmail.com mnt-by: MAINT-AS270256 changed: vildosirqueira [at] gmail.com 20230208 source: TC last-modified: 2023-02-08T23:15:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.108.174.0/23 descr: VILDONET TELECOM origin: AS270256 notify: vildosirqueira [at] gmail.com mnt-by: MAINT-AS270256 changed: vildosirqueira [at] gmail.com 20230208 source: TC last-modified: 2023-02-08T23:15:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.108.174.0/24 descr: VILDONET TELECOM origin: AS270256 notify: vildosirqueira [at] gmail.com mnt-by: MAINT-AS270256 changed: vildosirqueira [at] gmail.com 20230208 source: TC last-modified: 2023-02-08T23:15:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.108.175.0/24 descr: VILDONET TELECOM origin: AS270256 notify: vildosirqueira [at] gmail.com mnt-by: MAINT-AS270256 changed: vildosirqueira [at] gmail.com 20230208 source: TC last-modified: 2023-02-08T23:15:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.108.175.0/24 descr: CLARO S.A. Customer origin: AS270256 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210910 source: RADB last-modified: 2023-11-13T16:08:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:6938::/32 origin: AS270256 descr: CUSTOMER VILDONET TELECOM mnt-by: MAINT-AS28598 changed: jose.tiago [at] mobtelecom.com.br 20200220 #14:24:29Z source: RADB last-modified: 2023-11-13T16:12:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:6938::/32 descr: VILDONET TELECOM origin: AS270256 notify: vildosirqueira [at] gmail.com mnt-by: MAINT-AS270256 changed: vildosirqueira [at] gmail.com 20230208 source: TC last-modified: 2023-02-08T23:44:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:6938::/32 descr: PROXY FOR CUSTOMER VILDONET - BY SPEEDNET origin: AS270256 mnt-by: MAINT-AS263362 changed: glauber [at] gbti.net.br 20211019 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:6938::/33 descr: VILDONET TELECOM origin: AS270256 notify: vildosirqueira [at] gmail.com mnt-by: MAINT-AS270256 changed: vildosirqueira [at] gmail.com 20230208 source: TC last-modified: 2023-02-08T23:44:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:6938::/34 descr: VILDONET TELECOM origin: AS270256 notify: vildosirqueira [at] gmail.com mnt-by: MAINT-AS270256 changed: vildosirqueira [at] gmail.com 20230208 source: TC last-modified: 2023-02-08T23:44:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:6938:4000::/34 descr: VILDONET TELECOM origin: AS270256 notify: vildosirqueira [at] gmail.com mnt-by: MAINT-AS270256 changed: vildosirqueira [at] gmail.com 20230208 source: TC last-modified: 2023-02-08T23:44:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:6938:8000::/33 descr: VILDONET TELECOM origin: AS270256 notify: vildosirqueira [at] gmail.com mnt-by: MAINT-AS270256 changed: vildosirqueira [at] gmail.com 20230208 source: TC last-modified: 2023-02-08T23:44:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:6938:8000::/34 descr: VILDONET TELECOM origin: AS270256 notify: vildosirqueira [at] gmail.com mnt-by: MAINT-AS270256 changed: vildosirqueira [at] gmail.com 20230208 source: TC last-modified: 2023-02-08T23:44:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:6938:c000::/34 descr: VILDONET TELECOM origin: AS270256 notify: vildosirqueira [at] gmail.com mnt-by: MAINT-AS270256 changed: vildosirqueira [at] gmail.com 20230208 source: TC last-modified: 2023-02-08T23:44:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source