These entries are queried from radb.net using whois, you can try my project getting these.
:AS264092 route: 143.208.148.0/22 descr: STA TELECOM origin: AS264092 notify: noc [at] statelecom.com.br mnt-by: MAINT-AS264092 changed: contato [at] suporte.network 20220531 source: TC last-modified: 2022-05-31T13:41:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.208.148.0/22 descr: STA TELECOM LTDA IPv4 Prefix origin: AS264092 mnt-by: MAINT-AS264092 changed: noc.statelecom [at] hexanetworks.com.br 20231003 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.208.148.0/22 descr: This is a Commcorp Telecom customer proxy route object that was created because no existing route object with the same origin was found. Please contact noc [at] commcorp.com.br if you have any questions regarding this object. origin: AS264092 mnt-by: MAINT-AS14840 changed: gacosta [at] commcorp.com.br 20151216 #18:40:21Z source: RADB last-modified: 2023-11-13T15:48:29Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.208.148.0/23 descr: STA TELECOM origin: AS264092 notify: noc [at] statelecom.com.br mnt-by: MAINT-AS264092 changed: contato [at] suporte.network 20220531 source: TC last-modified: 2022-05-31T13:41:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.208.148.0/23 descr: CLARO S.A. Customer origin: AS264092 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230210 source: RADB last-modified: 2023-11-13T16:14:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.208.148.0/24 descr: STA TELECOM origin: AS264092 notify: noc [at] statelecom.com.br mnt-by: MAINT-AS264092 changed: contato [at] suporte.network 20220531 source: TC last-modified: 2022-05-31T13:41:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.208.148.0/24 descr: CLARO S.A. Customer origin: AS264092 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210929 source: RADB last-modified: 2023-11-13T16:08:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.208.149.0/24 descr: CLARO S.A. Customer origin: AS264092 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210113 source: RADB last-modified: 2023-11-13T16:03:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.208.149.0/24 descr: STA TELECOM origin: AS264092 notify: noc [at] statelecom.com.br mnt-by: MAINT-AS264092 changed: contato [at] suporte.network 20220531 source: TC last-modified: 2022-05-31T13:41:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.208.150.0/23 descr: CLARO S.A. Customer origin: AS264092 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230210 source: RADB last-modified: 2023-11-13T16:14:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.208.150.0/23 descr: STA TELECOM origin: AS264092 notify: noc [at] statelecom.com.br mnt-by: MAINT-AS264092 changed: contato [at] suporte.network 20220531 source: TC last-modified: 2022-05-31T13:41:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.208.150.0/24 descr: STA TELECOM origin: AS264092 notify: noc [at] statelecom.com.br mnt-by: MAINT-AS264092 changed: contato [at] suporte.network 20220531 source: TC last-modified: 2022-05-31T13:41:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.208.150.0/24 descr: CLARO S.A. Customer origin: AS264092 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210929 source: RADB last-modified: 2023-11-13T16:08:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.208.151.0/24 descr: CLARO S.A. Customer origin: AS264092 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20220610 source: RADB last-modified: 2023-11-13T16:11:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.208.151.0/24 descr: STA TELECOM origin: AS264092 notify: noc [at] statelecom.com.br mnt-by: MAINT-AS264092 changed: contato [at] suporte.network 20220531 source: TC last-modified: 2022-05-31T13:41:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2ac0::/32 descr: STA TELECOM LTDA IPv6 Prefix origin: AS264092 notify: noc [at] hexanetworks.com.br mnt-by: MAINT-AS264092 changed: noc.statelecom [at] hexanetworks.com.br 20231003 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2ac0::/32 descr: STA TELECOM origin: AS264092 notify: noc [at] statelecom.com.br mnt-by: MAINT-AS264092 changed: contato [at] suporte.network 20220531 source: TC last-modified: 2022-05-31T13:46:14Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2ac0::/32 descr: This is a Commcorp Telecom customer proxy route object that was created because no existing route object with the same origin was found. Please contact noc [at] commcorp.com.br if you have any questions regarding this object. origin: AS264092 mnt-by: MAINT-AS14840 changed: gacosta [at] commcorp.com.br 20151216 #18:40:21Z source: RADB last-modified: 2023-11-13T15:48:29Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2ac0::/33 descr: STA TELECOM origin: AS264092 notify: noc [at] statelecom.com.br mnt-by: MAINT-AS264092 changed: contato [at] suporte.network 20220531 source: TC last-modified: 2022-05-31T13:46:14Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2ac0::/33 descr: CLARO S.A. Customer origin: AS264092 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20220624 source: RADB last-modified: 2023-11-13T16:11:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2ac0:8000::/33 descr: CLARO S.A. Customer origin: AS264092 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20220624 source: RADB last-modified: 2023-11-13T16:11:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2ac0:8000::/33 descr: STA TELECOM origin: AS264092 notify: noc [at] statelecom.com.br mnt-by: MAINT-AS264092 changed: contato [at] suporte.network 20220531 source: TC last-modified: 2022-05-31T13:46:14Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source