These entries are queried from radb.net using whois, you can try my project getting these.
:AS61951 route: 201.219.248.0/22 origin: AS61951 descr: BRASIL-IP TELECOMUNICACOES LTDA - ME mnt-by: MAINT-AS28260 changed: yuri.muller [at] altarede.com.br 20210118 #19:09:25Z source: RADB last-modified: 2023-11-13T16:05:49Z rpki-ov-state: valid route: 201.219.248.0/22 descr: BRASIL-IP TELECOMUNICACOES - IPv4 origin: AS61951 mnt-by: MAINT-AS61951 changed: alannmarcos [at] hotmail.com 20200331 source: ALTDB rpki-ov-state: valid route: 201.219.248.0/22 descr: BRASIL-IP TELECOMUNICACOES - IPv4 origin: AS61951 notify: tiago [at] martiniti.com.br mnt-by: MAINT-AS61951 changed: tiago [at] martiniti.com.br source: TC last-modified: 2024-02-08T17:01:41Z rpki-ov-state: valid route: 201.219.248.0/22 descr: BRASIL-IP TELECOMUNICACOES - IPv4 origin: AS61951 mnt-by: MAINT-AS61951 changed: alannmarcos [at] hotmail.com 20200307 source: BBOI rpki-ov-state: valid route: 201.219.248.0/24 descr: CLARO S.A. Customer origin: AS61951 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20211116 source: RADB last-modified: 2023-11-13T16:08:40Z rpki-ov-state: valid route: 201.219.248.0/24 descr: BRASIL-IP TELECOMUNICACOES - IPv4/24 origin: AS61951 mnt-by: MAINT-AS61951 changed: alannmarcos [at] hotmail.com 20200331 source: ALTDB rpki-ov-state: valid route: 201.219.249.0/24 descr: CLARO S.A. Customer origin: AS61951 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20211116 source: RADB last-modified: 2023-11-13T16:08:40Z rpki-ov-state: valid route: 201.219.249.0/24 descr: BRASIL-IP TELECOMUNICACOES - IPv4/24 origin: AS61951 mnt-by: MAINT-AS61951 changed: alannmarcos [at] hotmail.com 20200331 source: ALTDB rpki-ov-state: valid route: 201.219.250.0/24 descr: BRASIL-IP TELECOMUNICACOES - IPv4/24 origin: AS61951 mnt-by: MAINT-AS61951 changed: alannmarcos [at] hotmail.com 20200331 source: ALTDB rpki-ov-state: valid route: 201.219.250.0/24 descr: CLARO S.A. Customer origin: AS61951 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20211116 source: RADB last-modified: 2023-11-13T16:08:40Z rpki-ov-state: valid route: 201.219.251.0/24 descr: CLARO S.A. Customer origin: AS61951 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210427 source: RADB last-modified: 2023-11-13T16:05:31Z rpki-ov-state: valid route: 201.219.251.0/24 descr: BRASIL-IP TELECOMUNICACOES - IPv4/24 origin: AS61951 mnt-by: MAINT-AS61951 changed: alannmarcos [at] hotmail.com 20200331 source: ALTDB rpki-ov-state: valid route6: 2804:18c0::/32 descr: BRASIL-IP TELECOMUNICACOES - IPv6 origin: AS61951 mnt-by: MAINT-AS61951 changed: alannmarcos [at] hotmail.com 20200331 source: ALTDB rpki-ov-state: valid route6: 2804:18c0::/32 descr: BRASIL-IP TELECOMUNICACOES - IPv6 origin: AS61951 mnt-by: MAINT-AS61951 changed: alannmarcos [at] hotmail.com 20200307 source: BBOI rpki-ov-state: valid route6: 2804:18c0::/32 descr: BRASIL-IP TELECOMUNICACOES - IPv6 origin: AS61951 notify: tiago [at] martiniti.com.br mnt-by: MAINT-AS61951 changed: tiago [at] martiniti.com.br source: TC last-modified: 2024-02-08T17:06:40Z rpki-ov-state: valid route6: 2804:18c0::/32 origin: AS61951 descr: BRASIL-IP TELECOMUNICACOES LTDA - ME mnt-by: MAINT-AS28260 changed: yuri.muller [at] altarede.com.br 20210118 #19:08:07Z source: RADB last-modified: 2023-11-13T16:05:49Z rpki-ov-state: valid route6: 2804:18c0::/34 descr: CLARO S.A. Customer origin: AS61951 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20211116 source: RADB last-modified: 2023-11-13T16:08:40Z rpki-ov-state: valid route6: 2804:18c0:8000::/34 descr: CLARO S.A. Customer origin: AS61951 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: valid