These entries are queried from radb.net using whois, you can try my project getting these.
:AS267604 route: 45.71.104.0/23 origin: AS267604 notify: noc [at] fibercom.net.br mnt-by: MAINT-AS267604 source: TC last-modified: 2021-10-06T19:40:34Z rpki-ov-state: valid route: 45.71.104.0/23 descr: ITX-BRASILNET PARANÁ origin: AS267604 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20171010 #20:44:14Z source: RADB last-modified: 2023-11-13T15:51:36Z rpki-ov-state: valid route: 45.71.104.0/24 origin: AS267604 notify: noc [at] fibercom.net.br mnt-by: MAINT-AS267604 source: TC last-modified: 2021-10-06T19:40:34Z rpki-ov-state: valid route: 45.71.105.0/24 origin: AS267604 notify: noc [at] fibercom.net.br mnt-by: MAINT-AS267604 source: TC last-modified: 2021-10-06T19:40:34Z rpki-ov-state: valid route6: 2804:4420::/32 descr: ITX-BRASILNET PARANÁ origin: AS267604 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20171010 #20:44:43Z source: RADB last-modified: 2023-11-13T15:51:36Z rpki-ov-state: valid route6: 2804:4420::/32 origin: AS267604 notify: noc [at] fibercom.net.br mnt-by: MAINT-AS267604 source: TC last-modified: 2021-10-06T19:40:34Z rpki-ov-state: valid route6: 2804:4420::/33 origin: AS267604 notify: noc [at] fibercom.net.br mnt-by: MAINT-AS267604 source: TC last-modified: 2021-10-06T19:40:34Z rpki-ov-state: valid route6: 2804:4420::/34 origin: AS267604 notify: noc [at] fibercom.net.br mnt-by: MAINT-AS267604 source: TC last-modified: 2021-10-06T19:40:34Z rpki-ov-state: valid route6: 2804:4420:4000::/34 origin: AS267604 notify: noc [at] fibercom.net.br mnt-by: MAINT-AS267604 source: TC last-modified: 2021-10-06T19:40:34Z rpki-ov-state: valid route6: 2804:4420:8000::/33 origin: AS267604 notify: noc [at] fibercom.net.br mnt-by: MAINT-AS267604 source: TC last-modified: 2021-10-06T19:40:34Z rpki-ov-state: valid route6: 2804:4420:8000::/34 origin: AS267604 notify: noc [at] fibercom.net.br mnt-by: MAINT-AS267604 source: TC last-modified: 2021-10-06T19:40:34Z rpki-ov-state: valid route6: 2804:4420:c000::/34 origin: AS267604 notify: noc [at] fibercom.net.br mnt-by: MAINT-AS267604 source: TC last-modified: 2021-10-06T19:40:34Z rpki-ov-state: valid