These entries are queried from radb.net using whois, you can try my project getting these.
:AS263539 route: 191.5.168.0/21 origin: AS263539 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: newsystem [at] terra.com.br mnt-by: MAINT-AS263539 source: TC last-modified: 2021-07-26T14:14:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 191.5.168.0/21 descr: NEW SYSTEM origin: AS263539 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20170818 #17:44:59Z source: RADB last-modified: 2023-11-13T15:51:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 191.5.172.0/24 origin: AS263539 descr: Transit Linkar to AEG-BSB admin-c: Fabiano Garcia tech-c: Fabiano Garcia mnt-by: MAINT-AS268689 changed: fabianogarcia2005 [at] yahoo.com.br 20230612 #19:04:07Z source: RADB last-modified: 2023-11-13T16:19:04Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 191.5.173.0/24 descr: CLARO S.A. Customer origin: AS263539 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230111 source: RADB last-modified: 2023-11-13T16:13:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 191.5.174.0/24 descr: CLARO S.A. Customer origin: AS263539 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210820 source: RADB last-modified: 2023-11-13T16:08:08Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 191.5.175.0/24 origin: AS263539 descr: AS263539 mnt-by: MAINT-AS267469 changed: noc [at] w8telecom.com.br 20230725 #19:24:17Z source: RADB last-modified: 2023-11-13T16:18:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:1394::/32 origin: AS263539 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: newsystem [at] terra.com.br mnt-by: MAINT-AS263539 source: TC last-modified: 2021-07-26T14:14:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:1394::/32 descr: Solicitado por TPA Telecomunicacoes. Dic 12 2014. origin: AS263539 mnt-by: MAINT-AS18678 changed: adminred [at] internexa.com 20150105 #18:33:52Z source: RADB last-modified: 2023-11-13T15:47:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:1394:c000::/34 descr: CLARO S.A. Customer origin: AS263539 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20221020 source: RADB last-modified: 2023-11-13T16:12:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source