These entries are queried from radb.net using whois, you can try my project getting these.
:AS269172 route: 45.181.52.0/22 descr: JC NET TELECOM EIRELI ME origin: AS269172 notify: db-admin [at] bgp.net.br mnt-by: MAINT-AS269172 changed: db-admin [at] bgp.net.br 20190929 source: TC last-modified: 2021-05-05T02:07:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.181.52.0/22 origin: AS269172 descr: CUSTUMER JC NET TELECOM EIRELI ME mnt-by: MAINT-AS28598 changed: cassio.passos [at] mobtelecom.com.br 20190824 #17:58:54Z source: RADB last-modified: 2023-11-13T16:12:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.181.52.0/23 origin: AS269172 descr: AS269172 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20190826 #12:30:00Z source: RADB last-modified: 2023-11-13T15:57:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.181.53.0/24 origin: AS269172 descr: AS269172 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20240222 # 2004Z source: RADB last-modified: 2024-02-22T20:04:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.181.54.0/23 origin: AS269172 descr: AS269172 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20190826 #12:30:17Z source: RADB last-modified: 2023-11-13T15:57:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:6084::/32 origin: AS269172 descr: CUSTOMER JC NET TELECOM EIRELI ME mnt-by: MAINT-AS28598 changed: cassio.passos [at] mobtelecom.com.br 20190824 #17:59:27Z source: RADB last-modified: 2023-11-13T16:12:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source