These entries are queried from radb.net using whois, you can try my project getting these.
:AS263449 route: 177.91.240.0/21 descr: Bloco de ip's cliente "Netell" criado pela equipe Durand do Brazil origin: AS263449 admin-c: Eduardo Fumes Parajo tech-c: Epafras Rezende Schaden mnt-by: MAINT-AS22356 changed: eduardo [at] durand.com.br 20150703 #14:28:55Z source: RADB last-modified: 2023-11-13T15:47:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:11fc::/32 descr: PROXY FOR OPENX CUSTOMER origin: AS263449 mnt-by: MAINT-AS263444 notify: registro [at] openx.com.br changed: registro [at] openx.com.br 20200417 remarks: Fri Apr 17 11:24:56 2020 source: RADB last-modified: 2023-11-13T16:00:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source