These entries are queried from radb.net using whois, you can try my project getting these.
:AS28286 route: 186.219.224.0/20 descr: Cadastro para Transito - Flys Interativa - AS 28663 origin: AS28286 admin-c: Eduardo F Parajo tech-c: Epafras R Schaden mnt-by: MAINT-AS28663 changed: epafras [at] durand.com.br 20120801 #23:43:25Z source: RADB last-modified: 2023-11-13T16:07:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 187.17.128.0/20 descr: Cadastro para Tr??nsito - AS Flys Interativa - AS 28663 origin: AS28286 admin-c: Eduardo F Parajo tech-c: Epafras R Schaden mnt-by: MAINT-AS28663 changed: epafras [at] durand.com.br 20120801 #23:44:19Z source: RADB last-modified: 2023-11-13T16:07:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:1e4::/32 descr: Rota Cliente AS28286 Criado por Durand origin: AS28286 admin-c: Eduardo Fumes Parajo tech-c: Epafras Rezende Schaden mnt-by: MAINT-AS22356 changed: epafras [at] durand.com.br 20140728 #19:14:06Z source: RADB last-modified: 2023-11-13T15:46:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source