These entries are queried from radb.net using whois, you can try my project getting these.
:AS264375 route: 131.161.136.0/22 descr: ITX-SAMM origin: AS264375 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20171124 #16:26:55Z source: RADB last-modified: 2023-11-13T15:52:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.161.136.0/22 origin: AS264375 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: fabriciofheleno [at] gmail.com mnt-by: MAINT-AS264375 source: TC last-modified: 2021-11-02T15:56:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.161.136.0/23 origin: AS264375 descr: AS264375-ROUTES admin-c: CGR Brasilnet tech-c: CGR Brasilnet mnt-by: MAINT-262808 changed: felipe.videira [at] brasilnet.net.br 20210903 #13:23:18Z source: RADB last-modified: 2023-11-13T16:08:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.161.136.0/24 origin: AS264375 descr: AS264375--ROUTES admin-c: CGR Brasilnet tech-c: CGR Brasilnet mnt-by: MAINT-262808 changed: felipe.videira [at] brasilnet.net.br 20210903 #13:43:56Z source: RADB last-modified: 2023-11-13T16:08:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.161.137.0/24 origin: AS264375 descr: AS264375-ROUTES admin-c: CGR Brasilnet tech-c: CGR Brasilnet mnt-by: MAINT-262808 changed: felipe.videira [at] brasilnet.net.br 20210903 #13:44:45Z source: RADB last-modified: 2023-11-13T16:08:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.161.138.0/23 origin: AS264375 descr: ROUTES-AS264375 admin-c: CGR Brasilnet tech-c: CGR Brasilnet mnt-by: MAINT-262808 changed: felipe.videira [at] brasilnet.net.br 20210903 #13:25:33Z source: RADB last-modified: 2023-11-13T16:08:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.161.138.0/24 origin: AS264375 descr: AS264375-ROUTES admin-c: CGR Brasilnet tech-c: CGR Brasilnet mnt-by: MAINT-262808 changed: felipe.videira [at] brasilnet.net.br 20210903 #13:45:23Z source: RADB last-modified: 2023-11-13T16:08:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.161.139.0/24 origin: AS264375 descr: AS264375-ROUTES admin-c: CGR Brasilnet tech-c: CGR Brasilnet mnt-by: MAINT-262808 changed: felipe.videira [at] brasilnet.net.br 20210903 #13:45:48Z source: RADB last-modified: 2023-11-13T16:08:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.255.192.0/22 origin: AS264375 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: fabriciofheleno [at] gmail.com mnt-by: MAINT-AS264375 source: TC last-modified: 2021-11-02T15:56:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.255.192.0/22 descr: ITX-SAMM origin: AS264375 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20171124 #16:27:28Z source: RADB last-modified: 2023-11-13T15:52:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.255.192.0/23 origin: AS264375 descr: AS264375-ROUTES admin-c: CGR Brasilnet tech-c: CGR Brasilnet mnt-by: MAINT-262808 changed: felipe.videira [at] brasilnet.net.br 20210903 #13:27:34Z source: RADB last-modified: 2023-11-13T16:08:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.255.192.0/24 origin: AS264375 descr: AS264375-ROUTES admin-c: CGR Brasilnet tech-c: CGR Brasilnet mnt-by: MAINT-262808 changed: felipe.videira [at] brasilnet.net.br 20210903 #13:46:30Z source: RADB last-modified: 2023-11-13T16:08:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.255.193.0/24 origin: AS264375 descr: AS264375-ROUTES admin-c: CGR Brasilnet tech-c: CGR Brasilnet mnt-by: MAINT-262808 changed: felipe.videira [at] brasilnet.net.br 20210903 #13:47:08Z source: RADB last-modified: 2023-11-13T16:08:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.255.194.0/23 origin: AS264375 descr: AS264375-ROUTES admin-c: CGR Brasilnet tech-c: CGR Brasilnet mnt-by: MAINT-262808 changed: felipe.videira [at] brasilnet.net.br 20210903 #13:28:38Z source: RADB last-modified: 2023-11-13T16:08:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.255.194.0/24 origin: AS264375 descr: AS264375-ROUTES admin-c: CGR Brasilnet tech-c: CGR Brasilnet mnt-by: MAINT-262808 changed: felipe.videira [at] brasilnet.net.br 20210903 #13:47:59Z source: RADB last-modified: 2023-11-13T16:08:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.255.195.0/24 origin: AS264375 descr: AS264375-ROUTES admin-c: CGR Brasilnet tech-c: CGR Brasilnet mnt-by: MAINT-262808 changed: felipe.videira [at] brasilnet.net.br 20210903 #13:49:09Z source: RADB last-modified: 2023-11-13T16:08:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:1d84::/32 descr: ITX-SAMM origin: AS264375 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20171124 #16:31:50Z source: RADB last-modified: 2023-11-13T15:52:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:1d84::/32 origin: AS264375 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: fabriciofheleno [at] gmail.com mnt-by: MAINT-AS264375 source: TC last-modified: 2021-11-02T15:56:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source