These entries are queried from radb.net using whois, you can try my project getting these.
:AS264031 route: 143.137.52.0/22 descr: BRASILTEC SOLUCOES DIGITAIS LTDA - ME origin: AS264031 mnt-by: MAINT-AS264031 notify: db-admin [at] bgp.net.br changed: db-admin [at] bgp.net.br 20180529 #09:54:47(-03) source: TC last-modified: 2021-05-05T02:07:41Z rpki-ov-state: valid route: 143.137.52.0/22 descr: CLARO S.A. Customer origin: AS264031 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20200508 source: RADB last-modified: 2023-11-13T16:00:39Z rpki-ov-state: valid route: 143.137.52.0/23 descr: CLARO S.A. Customer origin: AS264031 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20191104 source: RADB last-modified: 2023-11-13T15:58:36Z rpki-ov-state: valid route: 143.137.52.0/24 descr: CLARO S.A. Customer origin: AS264031 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20191106 source: RADB last-modified: 2023-11-13T15:58:37Z rpki-ov-state: valid route: 143.137.53.0/24 descr: CLARO S.A. Customer origin: AS264031 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20191105 source: RADB last-modified: 2023-11-13T15:58:36Z rpki-ov-state: valid route: 143.137.54.0/23 descr: CLARO S.A. Customer origin: AS264031 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20191104 source: RADB last-modified: 2023-11-13T15:58:36Z rpki-ov-state: valid route: 143.137.54.0/24 descr: CLARO S.A. Customer origin: AS264031 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20191104 source: RADB last-modified: 2023-11-13T15:58:36Z rpki-ov-state: valid route: 143.137.55.0/24 descr: CLARO S.A. Customer origin: AS264031 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20200213 source: RADB last-modified: 2023-11-13T15:59:44Z rpki-ov-state: valid route6: 2804:29bc::/32 descr: Proxy-registered route object for AS53062 Customer remarks: --------------------------------- remarks: For SECURITY issues, please send messages to remarks: origin AS administrator remarks: (e.g. whois -h whois.lacnic.net AS264031) remarks: --------------------------------- remarks: This route is from a AS customer which remarks: is being exported under origin AS53062 below. remarks: It was created by us because no other remarks: route object with the same origin was found. remarks: --------------------------------- remarks: For removal, please contact bgp [at] as53062.net.br remarks: --------------------------------- origin: AS264031 notify: bgp [at] as53062.net.br mnt-by: MAINT-AS53062 changed: marcelo [at] gegnet.com.br 20211207 #12:14:04(-0300) source: ALTDB rpki-ov-state: valid