These entries are queried from radb.net using whois, you can try my project getting these.
:AS263410 route: 191.52.0.0/18 descr: ITX_GRUPO G1 origin: AS263410 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20180607 #13:54:25Z source: RADB last-modified: 2023-11-13T15:53:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:15c8::/32 origin: AS263410 descr: Instituto Federal Catarinense remarks: Proxy-registered object for customer remarks: please direct inquiries to registro [at] rnp.br mnt-by: MAINT-AS1916 changed: registro [at] rnp.br 20190930 source: RADB last-modified: 2023-11-13T15:57:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source