These entries are queried from radb.net using whois, you can try my project getting these.
:AS61854 route: 201.148.96.0/22 descr: AS61854 - Joao Ricardo origin: AS61854 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20140711 #13:56:24Z source: RADB last-modified: 2023-11-13T15:46:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:1a54::/32 descr: AS61854 - Joao Ricardo origin: AS61854 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20140711 #13:57:04Z source: RADB last-modified: 2023-11-13T15:46:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source