These entries are queried from radb.net using whois, you can try my project getting these.
:AS268345 route: 45.239.8.0/22 origin: AS268345 descr: CUSTOMER JONATHAN ALVES DA COSTA ME mnt-by: MAINT-AS28598 changed: cassio.passos [at] mobtelecom.com.br 20190219 #00:39:55Z source: RADB last-modified: 2023-11-13T16:12:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.239.8.0/23 origin: AS268345 descr: AS268345 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20190221 #20:24:35Z source: RADB last-modified: 2023-11-13T15:55:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.239.10.0/23 origin: AS268345 descr: AS268345 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20190221 #20:24:55Z source: RADB last-modified: 2023-11-13T15:55:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:4fb8::/32 origin: AS268345 descr: CUSTOMER JONATHAN ALVES DA COSTA ME mnt-by: MAINT-AS28598 changed: cassio.passos [at] mobtelecom.com.br 20190219 #00:40:27Z source: RADB last-modified: 2023-11-13T16:12:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source