These entries are queried from radb.net using whois, you can try my project getting these.
:AS264086 route: 143.208.24.0/22 descr: CLARO S.A. Customer origin: AS264086 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20180815 source: RADB last-modified: 2023-11-13T15:54:26Z rpki-ov-state: valid route: 143.208.24.0/22 descr: AS 264086 - C.S-TAVARES origin: AS264086 notify: suporte [at] wirelink.com.br mnt-by: MAINT-AS61832 changed: suporte [at] wirelink.com.br 20201111 source: NTTCOM rpki-ov-state: valid route: 143.208.24.0/24 descr: CLARO S.A. Customer origin: AS264086 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20180815 source: RADB last-modified: 2023-11-13T15:54:26Z rpki-ov-state: valid route: 143.208.25.0/24 descr: CLARO S.A. Customer origin: AS264086 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20180815 source: RADB last-modified: 2023-11-13T15:54:26Z rpki-ov-state: valid route: 143.208.26.0/24 descr: CLARO S.A. Customer origin: AS264086 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20180815 source: RADB last-modified: 2023-11-13T15:54:26Z rpki-ov-state: valid route: 143.208.27.0/24 descr: CLARO S.A. Customer origin: AS264086 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20180815 source: RADB last-modified: 2023-11-13T15:54:26Z rpki-ov-state: valid route6: 2804:2aa4::/32 descr: AS-CSV-CUSTOMER-264086 origin: AS264086 remarks: Cliente do Cliente C S TAVARES remarks: AS PATH 267613 264086 remarks: Usuario XConn jsouza 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 mnt-by: MAINT-AS267613 changed: joao.souza [at] eletronet.com 20190724 #11:27:16Z source: RADB last-modified: 2023-11-13T15:56:46Z rpki-ov-state: valid route6: 2804:2aa4::/32 descr: AS 264086 - C.S-TAVARES origin: AS264086 notify: suporte [at] wirelink.com.br mnt-by: MAINT-AS61832 changed: suporte [at] wirelink.com.br 20201111 source: NTTCOM rpki-ov-state: valid