These entries are queried from radb.net using whois, you can try my project getting these.
:AS28124 route: 187.19.0.0/20 descr: Netell-CPS origin: AS28124 mnt-by: MAINT-NETELL-BB changed: artur [at] netell.com.br 20131206 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2b78::/32 descr: Bloco de IPs cliente "Netell" criado pela equipe Durand do Brazil origin: AS28124 admin-c: Eduardo F Parajo tech-c: Epafras Rezende Schaden mnt-by: MAINT-AS22356 changed: eduardo [at] durand.com.br 20161112 #21:22:38Z source: RADB last-modified: 2023-11-13T15:49:57Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source