These entries are queried from radb.net using whois, you can try my project getting these.
:AS263261 route: 192.100.177.0/24 descr: TRIBUNAL REGIONAL DO TRABALHO DA 3A REGIAO origin: AS263261 member-of: AS263261:RS-ROUTES notify: gilcimcf [at] trt3.jus.br mnt-by: MAINT-AS263261 changed: gilcimcf [at] trt3.jus.br 20230925 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2801:80:2600::/40 descr: TRIBUNAL REGIONAL DO TRABALHO DA 3A REGIAO origin: AS263261 member-of: AS263261:RS-ROUTES notify: gilcimcf [at] trt3.jus.br mnt-by: MAINT-AS263261 changed: gilcimcf [at] trt3.jus.br 20230925 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2801:80:2600::/41 descr: TRIBUNAL REGIONAL DO TRABALHO DA 3A REGIAO origin: AS263261 member-of: AS263261:RS-ROUTES notify: gilcimcf [at] trt3.jus.br mnt-by: MAINT-AS263261 changed: gilcimcf [at] trt3.jus.br 20230925 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2801:80:2680::/41 descr: TRIBUNAL REGIONAL DO TRABALHO DA 3A REGIAO origin: AS263261 member-of: AS263261:RS-ROUTES notify: gilcimcf [at] trt3.jus.br mnt-by: MAINT-AS263261 changed: gilcimcf [at] trt3.jus.br 20230925 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source