These entries are queried from radb.net using whois, you can try my project getting these.
:AS263509 route: 191.243.176.0/20 descr: Proxy Route For ASN263509 origin: AS263509 mnt-by: MAINT-AS263949 changed: edenilson [at] deztelecom.net.br 20170208 source: NTTCOM rpki-ov-state: valid route: 191.243.176.0/20 descr: ITX_GRUPO G1 origin: AS263509 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: valid route: 191.243.176.0/20 origin: AS263509 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: cesar [at] syszop.com.br mnt-by: MAINT-AS263509 source: TC last-modified: 2023-06-16T06:16:27Z rpki-ov-state: valid route6: 2804:1300::/32 origin: AS263509 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: cesar [at] syszop.com.br mnt-by: MAINT-AS263509 source: TC last-modified: 2023-06-16T06:16:28Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:1300::/32 descr: Solicitado por IPE para Turbovit. Nov 10 2014 origin: AS263509 mnt-by: MAINT-AS18678 changed: adminred [at] internexa.com 20141110 #17:58:49Z source: RADB last-modified: 2023-11-13T15:46:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source