These entries are queried from radb.net using whois, you can try my project getting these.
:AS52531 route: 170.233.12.0/22 descr: DL Informatica Ltda origin: AS52531 mnt-by: MAINT-AS52531 notify: db-admin [at] bgp.net.br changed: db-admin [at] bgp.net.br 20180916 #09:36:51(-03) source: TC last-modified: 2021-05-05T02:07:41Z rpki-ov-state: valid route: 170.233.12.0/22 origin: AS52531 descr: FASTNET IPv4 admin-c: JMD21 tech-c: JMD21 mnt-by: MAINT-AS52531 changed: diego [at] g6internet.com.br 20220804 #19:07:53Z source: RADB last-modified: 2023-11-13T16:12:04Z rpki-ov-state: valid route: 170.233.12.0/24 origin: AS52531 descr: FASTNET IPv4 admin-c: ENGIN tech-c: ENGIN mnt-by: MAINT-AS52531 changed: osni.junior [at] g6internet.com.br 20231208 # 1112Z source: RADB last-modified: 2023-12-08T11:12:25Z rpki-ov-state: valid route: 170.233.13.0/24 origin: AS52531 descr: FASTNET IPv4 admin-c: JMD21 tech-c: JMD21 mnt-by: MAINT-AS52531 changed: diego [at] g6internet.com.br 20220804 #18:56:55Z source: RADB last-modified: 2023-11-13T16:12:04Z rpki-ov-state: valid route: 170.233.14.0/23 origin: AS52531 descr: FASTNET IPv4 admin-c: JMD21 tech-c: JMD21 mnt-by: MAINT-AS52531 changed: diego [at] g6internet.com.br 20220804 #18:58:47Z source: RADB last-modified: 2023-11-13T16:12:04Z rpki-ov-state: valid route: 170.233.14.0/24 origin: AS52531 descr: FASTNET IPv4 admin-c: JMD21 tech-c: JMD21 mnt-by: MAINT-AS52531 changed: diego [at] g6internet.com.br 20220804 #18:59:26Z source: RADB last-modified: 2023-11-13T16:12:04Z rpki-ov-state: valid route: 170.233.15.0/24 origin: AS52531 descr: FASTNET IPv4 admin-c: JMD21 tech-c: JMD21 mnt-by: MAINT-AS52531 changed: diego [at] g6internet.com.br 20220804 #19:00:34Z source: RADB last-modified: 2023-11-13T16:12:04Z rpki-ov-state: valid route: 186.225.216.0/21 origin: AS52531 descr: FASTNET admin-c: JMD21 tech-c: JMD21 mnt-by: MAINT-AS52531 changed: diego [at] g6internet.com.br 20220801 #01:29:08Z source: RADB last-modified: 2023-11-13T16:11:50Z rpki-ov-state: valid route: 186.225.216.0/22 origin: AS52531 descr: FASTNET IPv4 admin-c: JMD21 tech-c: JMD21 mnt-by: MAINT-AS52531 changed: diego [at] g6internet.com.br 20220804 #19:01:57Z source: RADB last-modified: 2023-11-13T16:12:04Z rpki-ov-state: valid route: 186.225.216.0/24 origin: AS52531 descr: FASTNET IPv4 admin-c: JMD21 tech-c: JMD21 mnt-by: MAINT-AS52531 changed: diego [at] g6internet.com.br 20220804 #19:02:34Z source: RADB last-modified: 2023-11-13T16:12:04Z rpki-ov-state: valid route: 186.225.217.0/24 origin: AS52531 descr: FASTNET IPv4 admin-c: JMD21 tech-c: JMD21 mnt-by: MAINT-AS52531 changed: diego [at] g6internet.com.br 20220804 #19:03:07Z source: RADB last-modified: 2023-11-13T16:12:04Z rpki-ov-state: valid route: 186.225.218.0/23 origin: AS52531 descr: FASTNET IPv4 admin-c: JMD21 tech-c: JMD21 mnt-by: MAINT-AS52531 changed: diego [at] g6internet.com.br 20220804 #19:03:37Z source: RADB last-modified: 2023-11-13T16:12:04Z rpki-ov-state: valid route: 186.225.218.0/24 origin: AS52531 descr: FASTNET IPv4 admin-c: JMD21 tech-c: JMD21 mnt-by: MAINT-AS52531 changed: diego [at] g6internet.com.br 20220804 #19:04:14Z source: RADB last-modified: 2023-11-13T16:12:04Z rpki-ov-state: valid route: 186.225.219.0/24 origin: AS52531 descr: FASTNET IPv4 admin-c: JMD21 tech-c: JMD21 mnt-by: MAINT-AS52531 changed: diego [at] g6internet.com.br 20220804 #19:05:10Z source: RADB last-modified: 2023-11-13T16:12:04Z rpki-ov-state: valid route: 186.225.220.0/23 origin: AS52531 descr: FASTNET IPv4 admin-c: JMD21 tech-c: JMD21 mnt-by: MAINT-AS52531 changed: diego [at] g6internet.com.br 20220804 #19:06:00Z source: RADB last-modified: 2023-11-13T16:12:04Z rpki-ov-state: valid route: 186.225.220.0/24 origin: AS52531 descr: FASTNET IPv4 admin-c: JMD21 tech-c: JMD21 mnt-by: MAINT-AS52531 changed: diego [at] g6internet.com.br 20220804 #19:06:42Z source: RADB last-modified: 2023-11-13T16:12:04Z rpki-ov-state: valid route: 186.225.221.0/24 origin: AS52531 descr: FASTNET IPv4 admin-c: JMD21 tech-c: JMD21 mnt-by: MAINT-AS52531 changed: diego [at] g6internet.com.br 20220804 #19:07:16Z source: RADB last-modified: 2023-11-13T16:12:04Z rpki-ov-state: valid route: 186.225.222.0/23 origin: AS52531 descr: FASTNET IPv4 admin-c: ENGIN tech-c: ENGIN mnt-by: MAINT-AS52531 changed: osni.junior [at] g6internet.com.br 20231208 # 1116Z source: RADB last-modified: 2023-12-08T11:16:55Z rpki-ov-state: valid route: 186.225.222.0/24 origin: AS52531 descr: FASTNET IPv4 admin-c: JMD21 tech-c: JMD21 mnt-by: MAINT-AS52531 changed: diego [at] g6internet.com.br 20220804 #19:08:32Z source: RADB last-modified: 2023-11-13T16:12:04Z rpki-ov-state: valid route: 186.225.223.0/24 origin: AS52531 descr: FASTNET IPv4 admin-c: JMD21 tech-c: JMD21 mnt-by: MAINT-AS52531 changed: diego [at] g6internet.com.br 20220804 #19:09:17Z source: RADB last-modified: 2023-11-13T16:12:04Z rpki-ov-state: valid route6: 2804:df4::/33 origin: AS52531 descr: FASTNET IPv6 admin-c: JMD21 tech-c: JMD21 mnt-by: MAINT-AS52531 changed: diego [at] g6internet.com.br 20220804 #18:36:54Z source: RADB last-modified: 2023-11-13T16:12:04Z rpki-ov-state: valid route6: 2804:df4:8000::/33 origin: AS52531 descr: FASTNET IPv6 admin-c: JMD21 tech-c: JMD21 mnt-by: MAINT-AS52531 changed: diego [at] g6internet.com.br 20220804 #18:35:32Z source: RADB last-modified: 2023-11-13T16:12:04Z rpki-ov-state: valid