These entries are queried from radb.net using whois, you can try my project getting these.
:AS262818 route: 186.250.160.0/22 origin: AS262818 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: contato [at] cianet.cc mnt-by: MAINT-AS262818 source: TC last-modified: 2024-02-03T13:36:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 186.250.160.0/22 descr: AS262818 origin: AS262818 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20160706 #17:56:53Z source: RADB last-modified: 2023-11-13T15:49:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 186.250.160.0/23 descr: AS262818 origin: AS262818 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20180904 #19:36:14Z source: RADB last-modified: 2023-11-13T15:54:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 186.250.160.0/24 descr: CLARO S.A. Customer origin: AS262818 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210609 source: RADB last-modified: 2023-11-13T16:05:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 186.250.161.0/24 descr: CLIENTE_MOB_g j pereira origin: AS262818 mnt-by: MAINT-AS28598 changed: mauricio.maehara [at] mobtelecom.com.br 20180504 #23:53:14Z source: RADB last-modified: 2023-11-13T16:12:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 186.250.162.0/23 descr: AS262818 origin: AS262818 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20180904 #19:36:33Z source: RADB last-modified: 2023-11-13T15:54:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 186.250.162.0/24 descr: CLARO S.A. Customer origin: AS262818 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20200414 source: RADB last-modified: 2023-11-13T16:00:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 186.250.163.0/24 descr: CLARO S.A. Customer origin: AS262818 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210511 source: RADB last-modified: 2023-11-13T16:05:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:344c::/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: AS262818 mnt-by: MAINT-AS14840 changed: gacosta [at] commcorp.com.br 20200721 source: RADB last-modified: 2023-11-13T16:01:14Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:344c::/32 descr: Proxy for BrSimples origin: AS262818 remarks: New Proxy route notify: silva.fabiano [at] me.com mnt-by: MAINT-AS265389 changed: rphilips [at] us.ntt.net 20171220 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:344c::/32 origin: AS262818 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: contato [at] cianet.cc mnt-by: MAINT-AS262818 source: TC last-modified: 2024-02-03T13:36:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:344c::/33 descr: CLARO S.A. Customer origin: AS262818 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20201124 source: RADB last-modified: 2023-11-13T16:03:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:344c:8000::/33 descr: CLARO S.A. Customer origin: AS262818 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20201124 source: RADB last-modified: 2023-11-13T16:03:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source