These entries are queried from radb.net using whois, you can try my project getting these.
:AS53046 route: 143.208.160.0/22 origin: AS53046 descr: UNIVERSIDADE ESTADUAL DE PONTA GROSSA remarks: Proxy-registered object for customer remarks: please direct inquiries to registro [at] rnp.br mnt-by: MAINT-AS1916 changed: registro [at] rnp.br 20190930 source: RADB last-modified: 2023-11-13T15:57:49Z rpki-ov-state: valid route: 143.208.160.0/22 descr: UNIVERSIDADE ESTADUAL DE PONTA GROSSA origin: AS53046 mnt-by: MAINT-AS53046 changed: redes [at] uepg.br 20191009 source: TC last-modified: 2021-05-05T02:07:41Z rpki-ov-state: valid route: 143.208.162.0/23 descr: UNIVERSIDADE ESTADUAL DE PONTA GROSSA origin: AS53046 mnt-by: MAINT-AS53046 changed: redes [at] uepg.br 20191009 source: TC last-modified: 2021-05-05T02:07:41Z rpki-ov-state: valid route: 177.93.120.0/21 descr: CLARO S.A. Customer origin: AS53046 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20191030 source: RADB last-modified: 2023-11-13T15:58:35Z rpki-ov-state: valid route: 177.101.16.0/20 descr: CLARO S.A. Customer origin: AS53046 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20191030 source: RADB last-modified: 2023-11-13T15:58:35Z rpki-ov-state: valid route: 177.101.16.0/20 descr: UNIVERSIDADE ESTADUAL DE PONTA GROSSA origin: AS53046 mnt-by: MAINT-AS53046 notify: TC-HM-MNT changed: db-admin [at] irr.scw.net.br 20111012 #20:33:08(BRT) source: TC rpki-ov-state: valid route: 177.101.24.0/21 descr: CLARO S.A. Customer origin: AS53046 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20191030 source: RADB last-modified: 2023-11-13T15:58:35Z rpki-ov-state: valid route: 200.39.64.0/19 descr: CLARO S.A. Customer origin: AS53046 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20191030 source: RADB last-modified: 2023-11-13T15:58:35Z rpki-ov-state: valid route: 200.39.80.0/20 descr: CLARO S.A. Customer origin: AS53046 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20191030 source: RADB last-modified: 2023-11-13T15:58:35Z rpki-ov-state: valid route6: 2801:80:330::/48 descr: UNIVERSIDADE ESTADUAL DE PONTA GROSSA origin: AS53046 mnt-by: MAINT-AS53046 notify: TC-HM-MNT changed: db-admin [at] irr.scw.net.br 20111012 #20:33:08(BRT) source: TC rpki-ov-state: valid route6: 2801:80:330::/48 descr: CLARO S.A. Customer origin: AS53046 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20191030 source: RADB last-modified: 2023-11-13T15:58:35Z rpki-ov-state: valid route6: 2804:1f04::/32 descr: Solicitado por Copel Telecom. Ene 6 2015. origin: AS53046 mnt-by: MAINT-AS18678 changed: adminred [at] internexa.com 20150107 #19:22:50Z source: RADB last-modified: 2023-11-13T15:47:02Z rpki-ov-state: valid route6: 2804:1f04:4000::/40 descr: CLARO S.A. Customer origin: AS53046 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20191030 source: RADB last-modified: 2023-11-13T15:58:35Z rpki-ov-state: valid