These entries are queried from radb.net using whois, you can try my project getting these.
:AS267244 route: 45.231.6.0/23 descr: Travel IT Desenvolvimento e Software Ltda. origin: AS267244 mnt-by: MAINT-AS267244 notify: noc [at] infohall.com.br changed: argentao.geane [at] made4it.com..br 20230825 source: TC last-modified: 2023-08-25T14:02:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.231.6.0/23 origin: AS267244 descr: Travel IT Desenvolvimento e Sistema Ltda mnt-by: MAINT-AS262287 changed: operacoes [at] maxihost.com.br 20190704 #12:29:22Z source: RADB last-modified: 2023-11-13T15:56:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.231.6.0/24 origin: AS267244 descr: Travel IT Desenvolvimento e Software Ltda. mnt-by: MAINT-AS53087 changed: jurandir.j [at] tely.com.br 20221010 #20:06:01Z source: RADB last-modified: 2023-11-13T16:12:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.231.6.0/24 descr: Travel IT Desenvolvimento e Software Ltda. origin: AS267244 mnt-by: MAINT-AS267244 notify: noc [at] infohall.com.br changed: argentao.geane [at] made4it.com..br 20230825 source: TC last-modified: 2023-08-25T14:02:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.231.7.0/24 origin: AS267244 descr: Travel IT Desenvolvimento e Software Ltda. mnt-by: MAINT-AS53087 changed: jurandir.j [at] tely.com.br 20221010 #20:06:27Z source: RADB last-modified: 2023-11-13T16:12:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.231.7.0/24 descr: Travel IT Desenvolvimento e Software Ltda. origin: AS267244 mnt-by: MAINT-AS267244 notify: noc [at] infohall.com.br changed: argentao.geane [at] made4it.com..br 20230825 source: TC last-modified: 2023-08-25T14:02:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:4a80::/32 descr: Travel IT Desenvolvimento e Software Ltda. origin: AS267244 notify: noc [at] infohall.com.br mnt-by: MAINT-AS267244 changed: argentao.geane [at] made4it.com.br 20230825 source: TC last-modified: 2023-08-25T14:02:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:4a80::/32 origin: AS267244 descr: Proxy-registered route object mnt-by: MAINT-AS47787 changed: nuno [at] edgoo.io 20230823 #16:08:47Z source: RADB last-modified: 2023-11-13T16:18:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:4a80::/33 descr: Travel IT Desenvolvimento e Software Ltda. origin: AS267244 notify: noc [at] infohall.com.br mnt-by: MAINT-AS267244 changed: argentao.geane [at] made4it.com.br 20230825 source: TC last-modified: 2023-08-25T14:02:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:4a80::/34 descr: Travel IT Desenvolvimento e Software Ltda. origin: AS267244 notify: noc [at] infohall.com.br mnt-by: MAINT-AS267244 changed: argentao.geane [at] made4it.com.br 20230825 source: TC last-modified: 2023-08-25T14:02:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:4a80:4000::/34 descr: Travel IT Desenvolvimento e Software Ltda. origin: AS267244 notify: noc [at] infohall.com.br mnt-by: MAINT-AS267244 changed: argentao.geane [at] made4it.com.br 20230825 source: TC last-modified: 2023-08-25T14:02:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:4a80:8000::/33 descr: Travel IT Desenvolvimento e Software Ltda. origin: AS267244 notify: noc [at] infohall.com.br mnt-by: MAINT-AS267244 changed: argentao.geane [at] made4it.com.br 20230825 source: TC last-modified: 2023-08-25T14:02:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:4a80:8000::/34 descr: Travel IT Desenvolvimento e Software Ltda. origin: AS267244 notify: noc [at] infohall.com.br mnt-by: MAINT-AS267244 changed: argentao.geane [at] made4it.com.br 20230825 source: TC last-modified: 2023-08-25T14:02:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:4a80:c000::/34 descr: Travel IT Desenvolvimento e Software Ltda. origin: AS267244 notify: noc [at] infohall.com.br mnt-by: MAINT-AS267244 changed: argentao.geane [at] made4it.com.br 20230825 source: TC last-modified: 2023-08-25T14:02:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source