These entries are queried from radb.net using whois, you can try my project getting these.
:AS53084 route: 187.33.144.0/21 descr: CLARO S.A. Customer origin: AS53084 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210903 source: RADB last-modified: 2023-11-13T16:08:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 187.33.152.0/21 descr: CLARO S.A. Customer origin: AS53084 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20200806 source: RADB last-modified: 2023-11-13T16:01:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:98::/32 descr: Rota6 cliente AS53084 Criado por Durand origin: AS53084 admin-c: Eduardo Fumes Parajo tech-c: Epafras Rezende Schaden mnt-by: MAINT-AS22356 changed: epafras [at] durand.com.br 20140728 #18:15:09Z source: RADB last-modified: 2023-11-13T15:46:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source