These entries are queried from radb.net using whois, you can try my project getting these.
:AS28285 route: 187.17.16.0/20 origin: AS28285 descr: BELTRAONET IPv4 BLOCK mnt-by: MAINT-AS28285 changed: noc [at] beltraonet.com.br 20230811 #15:15:35Z source: RADB last-modified: 2023-11-13T16:18:12Z rpki-ov-state: valid route: 187.17.16.0/21 origin: AS28285 descr: BELTRAONET IPv4 BLOCK mnt-by: MAINT-AS28285 changed: noc [at] beltraonet.com.br 20240418 # 1948Z source: RADB last-modified: 2024-04-18T19:48:34Z rpki-ov-state: valid route: 187.17.16.0/22 origin: AS28285 descr: Beltraonet IPv4 mnt-by: MAINT-AS28285 changed: noc [at] beltraonet.com.br 20240412 # 1632Z source: RADB last-modified: 2024-04-12T16:32:33Z rpki-ov-state: valid route: 187.17.16.0/23 origin: AS28285 descr: BELTRAONET IPv4 BLOCK mnt-by: MAINT-AS28285 changed: noc [at] beltraonet.com.br 20240418 # 1948Z source: RADB last-modified: 2024-04-18T19:48:52Z rpki-ov-state: valid route: 187.17.18.0/23 origin: AS28285 descr: BELTRAONET IPv4 BLOCK mnt-by: MAINT-AS28285 changed: noc [at] beltraonet.com.br 20230810 #13:58:25Z source: RADB last-modified: 2023-11-13T16:18:11Z rpki-ov-state: valid route: 187.17.20.0/22 origin: AS28285 descr: Beltraonet IPv4 mnt-by: MAINT-AS28285 changed: noc [at] beltraonet.com.br 20240412 # 1632Z source: RADB last-modified: 2024-04-12T16:32:51Z rpki-ov-state: valid route: 187.17.20.0/23 origin: AS28285 descr: BELTRAONET IPv4 BLOCK mnt-by: MAINT-AS28285 changed: noc [at] beltraonet.com.br 20240418 # 1949Z source: RADB last-modified: 2024-04-18T19:49:20Z rpki-ov-state: valid route: 187.17.22.0/23 origin: AS28285 descr: BELTRAONET IPv4 BLOCK mnt-by: MAINT-AS28285 changed: noc [at] beltraonet.com.br 20240418 # 1949Z source: RADB last-modified: 2024-04-18T19:49:46Z rpki-ov-state: valid route: 187.17.24.0/21 origin: AS28285 descr: BELTRAONET IPv4 BLOCK mnt-by: MAINT-AS28285 changed: noc [at] beltraonet.com.br 20240418 # 1950Z source: RADB last-modified: 2024-04-18T19:50:06Z rpki-ov-state: valid route: 187.17.24.0/22 origin: AS28285 descr: Beltraonet IPv4 mnt-by: MAINT-AS28285 changed: noc [at] beltraonet.com.br 20240412 # 1633Z source: RADB last-modified: 2024-04-12T16:33:07Z rpki-ov-state: valid route: 187.17.24.0/23 origin: AS28285 descr: BELTRAONET IPv4 BLOCK mnt-by: MAINT-AS28285 changed: noc [at] beltraonet.com.br 20230810 #14:00:29Z source: RADB last-modified: 2023-11-13T16:18:11Z rpki-ov-state: valid route: 187.17.26.0/23 origin: AS28285 descr: BELTRAONET IPv4 BLOCK mnt-by: MAINT-AS28285 changed: noc [at] beltraonet.com.br 20230810 #14:00:55Z source: RADB last-modified: 2023-11-13T16:18:11Z rpki-ov-state: valid route: 187.17.28.0/22 origin: AS28285 descr: Beltraonet IPv4 mnt-by: MAINT-AS28285 changed: noc [at] beltraonet.com.br 20240412 # 1633Z source: RADB last-modified: 2024-04-12T16:33:26Z rpki-ov-state: valid route: 187.17.28.0/23 origin: AS28285 descr: BELTRAONET IPv4 BLOCK mnt-by: MAINT-AS28285 changed: noc [at] beltraonet.com.br 20230810 #14:01:22Z source: RADB last-modified: 2023-11-13T16:18:11Z rpki-ov-state: valid route: 187.17.30.0/23 origin: AS28285 descr: BELTRAONET IPv4 BLOCK mnt-by: MAINT-AS28285 changed: noc [at] beltraonet.com.br 20230810 #14:01:53Z source: RADB last-modified: 2023-11-13T16:18:11Z rpki-ov-state: valid route: 187.84.160.0/20 origin: AS28285 descr: BELTRAONET IPv4 BLOCK mnt-by: MAINT-AS28285 changed: noc [at] beltraonet.com.br 20230810 #13:56:05Z source: RADB last-modified: 2023-11-13T16:18:11Z rpki-ov-state: valid route: 187.84.160.0/22 origin: AS28285 descr: Beltraonet IPv4 mnt-by: MAINT-AS28285 changed: noc [at] beltraonet.com.br 20240412 # 1633Z source: RADB last-modified: 2024-04-12T16:33:49Z rpki-ov-state: valid route: 187.84.160.0/23 origin: AS28285 descr: BELTRAONET IPv4 BLOCK mnt-by: MAINT-AS28285 changed: noc [at] beltraonet.com.br 20230810 #14:02:24Z source: RADB last-modified: 2023-11-13T16:18:11Z rpki-ov-state: valid route: 187.84.162.0/23 origin: AS28285 descr: BELTRAONET IPv4 BLOCK mnt-by: MAINT-AS28285 changed: noc [at] beltraonet.com.br 20230810 #14:02:49Z source: RADB last-modified: 2023-11-13T16:18:11Z rpki-ov-state: valid route: 187.84.164.0/23 origin: AS28285 descr: BELTRAONET IPv4 BLOCK mnt-by: MAINT-AS28285 changed: noc [at] beltraonet.com.br 20230810 #14:03:33Z source: RADB last-modified: 2023-11-13T16:18:11Z rpki-ov-state: valid route: 187.84.166.0/23 origin: AS28285 descr: BELTRAONET IPv4 BLOCK mnt-by: MAINT-AS28285 changed: noc [at] beltraonet.com.br 20230810 #14:04:02Z source: RADB last-modified: 2023-11-13T16:18:11Z rpki-ov-state: valid route: 187.84.168.0/23 origin: AS28285 descr: BELTRAONET IPv4 BLOCK mnt-by: MAINT-AS28285 changed: noc [at] beltraonet.com.br 20230810 #14:04:40Z source: RADB last-modified: 2023-11-13T16:18:11Z rpki-ov-state: valid route: 187.84.170.0/23 origin: AS28285 descr: BELTRAONET IPv4 BLOCK mnt-by: MAINT-AS28285 changed: noc [at] beltraonet.com.br 20230810 #14:05:34Z source: RADB last-modified: 2023-11-13T16:18:11Z rpki-ov-state: valid route: 187.84.172.0/23 origin: AS28285 descr: BELTRAONET IPv4 BLOCK mnt-by: MAINT-AS28285 changed: noc [at] beltraonet.com.br 20230810 #14:06:05Z source: RADB last-modified: 2023-11-13T16:18:11Z rpki-ov-state: valid route: 187.84.174.0/23 origin: AS28285 descr: BELTRAONET IPv4 BLOCK mnt-by: MAINT-AS28285 changed: noc [at] beltraonet.com.br 20230810 #14:06:35Z source: RADB last-modified: 2023-11-13T16:18:11Z rpki-ov-state: valid route: 201.33.224.0/20 origin: AS28285 descr: BELTRAONET IPv4 BLOCK mnt-by: MAINT-AS28285 changed: noc [at] beltraonet.com.br 20230810 #13:55:09Z source: RADB last-modified: 2023-11-13T16:18:11Z rpki-ov-state: valid route: 201.33.224.0/21 origin: AS28285 descr: BELTRAONET IPv4 BLOCK mnt-by: MAINT-AS28285 changed: noc [at] beltraonet.com.br 20240418 # 1945Z source: RADB last-modified: 2024-04-18T19:45:42Z rpki-ov-state: valid route: 201.33.224.0/22 origin: AS28285 descr: BELTRAONET IPv4 BLOCK mnt-by: MAINT-AS28285 changed: noc [at] beltraonet.com.br 20240418 # 1946Z source: RADB last-modified: 2024-04-18T19:46:04Z rpki-ov-state: valid route: 201.33.224.0/23 origin: AS28285 descr: BELTRAONET IPv4 BLOCK mnt-by: MAINT-AS28285 changed: noc [at] beltraonet.com.br 20240418 # 1946Z source: RADB last-modified: 2024-04-18T19:46:30Z rpki-ov-state: valid route: 201.33.228.0/22 origin: AS28285 descr: Beltraonet IPv4 mnt-by: MAINT-AS28285 changed: noc [at] beltraonet.com.br 20240412 # 1634Z source: RADB last-modified: 2024-04-12T16:34:31Z rpki-ov-state: valid route: 201.33.230.0/23 origin: AS28285 descr: BELTRAONET IPv4 BLOCK mnt-by: MAINT-AS28285 changed: noc [at] beltraonet.com.br 20240418 # 1946Z source: RADB last-modified: 2024-04-18T19:46:56Z rpki-ov-state: valid route: 201.33.232.0/22 origin: AS28285 descr: Beltraonet IPv4 mnt-by: MAINT-AS28285 changed: noc [at] beltraonet.com.br 20240412 # 1634Z source: RADB last-modified: 2024-04-12T16:34:48Z rpki-ov-state: valid route: 201.33.234.0/23 origin: AS28285 descr: BELTRAONET IPv4 BLOCK mnt-by: MAINT-AS28285 changed: noc [at] beltraonet.com.br 20240418 # 1947Z source: RADB last-modified: 2024-04-18T19:47:18Z rpki-ov-state: valid route: 201.33.236.0/22 origin: AS28285 descr: Beltraonet IPv4 mnt-by: MAINT-AS28285 changed: noc [at] beltraonet.com.br 20240412 # 1635Z source: RADB last-modified: 2024-04-12T16:35:09Z rpki-ov-state: valid route: 201.33.236.0/23 origin: AS28285 descr: BELTRAONET IPv4 BLOCK mnt-by: MAINT-AS28285 changed: noc [at] beltraonet.com.br 20240418 # 1947Z source: RADB last-modified: 2024-04-18T19:47:38Z rpki-ov-state: valid route: 201.33.238.0/23 origin: AS28285 descr: BELTRAONET IPv4 BLOCK mnt-by: MAINT-AS28285 changed: noc [at] beltraonet.com.br 20240418 # 1948Z source: RADB last-modified: 2024-04-18T19:48:04Z rpki-ov-state: valid route6: 2804:1c30::/32 origin: AS28285 descr: Beltraonet IPv6 mnt-by: MAINT-AS28285 changed: noc [at] beltraonet.com.br 20240407 # 1533Z source: RADB last-modified: 2024-04-07T15:33:58Z rpki-ov-state: valid route6: 2804:1c30::/33 origin: AS28285 descr: Beltraonet IPv6 mnt-by: MAINT-AS28285 changed: noc [at] beltraonet.com.br 20240404 # 2223Z source: RADB last-modified: 2024-04-04T22:23:34Z rpki-ov-state: valid route6: 2804:1c30:8000::/33 origin: AS28285 descr: Beltraonet IPv6 mnt-by: MAINT-AS28285 changed: noc [at] beltraonet.com.br 20240404 # 2223Z source: RADB last-modified: 2024-04-04T22:23:58Z rpki-ov-state: valid