These entries are queried from radb.net using whois, you can try my project getting these.
:AS268312 route: 45.238.44.0/22 descr: PROXY FOR CUSTOMER UPLINK origin: AS268312 mnt-by: MAINT-AS265290 changed: matheus [at] routerx.net.br 20221114 source: ALTDB rpki-ov-state: valid route: 45.238.44.0/22 descr: PROREDES INTERNET SERVICOS DE INFORMATICA LTDA - M origin: AS268312 mnt-by: MAINT-AS268312 notify: db-admin [at] bgp.net.br changed: db-admin [at] bgp.net.br 20190515 #20:00:13(-03) source: TC last-modified: 2021-05-05T02:07:41Z rpki-ov-state: valid route: 45.238.44.0/22 descr: AS268312 origin: AS268312 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20180629 #17:05:33Z source: RADB last-modified: 2023-11-13T15:54:01Z rpki-ov-state: valid route: 45.238.44.0/23 descr: PROXY FOR CUSTOMER UPLINK origin: AS268312 mnt-by: MAINT-AS265290 changed: matheus [at] routerx.net.br 20221114 source: ALTDB rpki-ov-state: valid route: 45.238.44.0/23 descr: CLARO S.A. Customer origin: AS268312 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20200902 source: RADB last-modified: 2023-11-13T16:01:35Z rpki-ov-state: valid route: 45.238.44.0/24 descr: CLARO S.A. Customer origin: AS268312 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20201112 source: RADB last-modified: 2023-11-13T16:02:44Z rpki-ov-state: valid route: 45.238.44.0/24 descr: PROXY FOR CUSTOMER UPLINK origin: AS268312 mnt-by: MAINT-AS265290 changed: matheus [at] routerx.net.br 20221114 source: ALTDB rpki-ov-state: valid route: 45.238.45.0/24 descr: CLARO S.A. Customer origin: AS268312 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20201112 source: RADB last-modified: 2023-11-13T16:02:44Z rpki-ov-state: valid route: 45.238.46.0/23 descr: CLARO S.A. Customer origin: AS268312 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20200902 source: RADB last-modified: 2023-11-13T16:01:35Z rpki-ov-state: valid route: 45.238.46.0/23 descr: PROXY FOR CUSTOMER UPLINK origin: AS268312 mnt-by: MAINT-AS265290 changed: matheus [at] routerx.net.br 20221114 source: ALTDB rpki-ov-state: valid route: 45.238.46.0/24 descr: CLARO S.A. Customer origin: AS268312 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20201112 source: RADB last-modified: 2023-11-13T16:02:44Z rpki-ov-state: valid route: 45.238.47.0/24 descr: PROXY FOR CUSTOMER PROREDES BY UPLINK origin: AS268312 mnt-by: MAINT-AS265290 notify: junior [at] routerx.net.br changed: junior [at] routerx.net.br 20230327 source: ALTDB rpki-ov-state: valid route: 45.238.47.0/24 descr: CLARO S.A. Customer origin: AS268312 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20201112 source: RADB last-modified: 2023-11-13T16:02:44Z rpki-ov-state: valid route6: 2804:4f38::/32 descr: AS268312 origin: AS268312 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20180629 #17:44:31Z source: RADB last-modified: 2023-11-13T15:54:01Z rpki-ov-state: valid route6: 2804:4f38::/32 descr: PROXY FOR CUSTOMER UPLINK origin: AS268312 mnt-by: MAINT-AS265290 notify: matheus [at] routerx.net.br changed: matheus [at] routerx.net.br 20221114 source: ALTDB rpki-ov-state: valid