These entries are queried from radb.net using whois, you can try my project getting these.
:AS263477 route: 191.242.100.0/22 descr: Bloco de IP's cliente "Cliente". criado pela equipe Durand do Brazil origin: AS263477 admin-c: Eduardo Fumes Parjo tech-c: Epafras Rezende Schaden mnt-by: MAINT-AS22356 changed: eduardo [at] durand.com.br 20140822 #14:32:53Z source: RADB last-modified: 2023-11-13T15:46:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 191.242.103.0/24 descr: CLARO S.A. Customer origin: AS263477 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20220103 source: RADB last-modified: 2023-11-13T16:09:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:1274::/32 origin: AS263477 descr: Oxxygenium Digital Tecnologies Com Serv Ltda mnt-by: MAINT-AS53231 changed: fred [at] hostfiber.com.br 20200911 #15:18:01Z source: RADB last-modified: 2023-11-13T16:01:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source