These entries are queried from radb.net using whois, you can try my project getting these.
:AS400146 route: 23.136.136.0/24 origin: AS400146 descr: Diamond State Networks NET-23-136-136-0-1 PO BOX 848 Fayetteville AR 72702 United States admin-c: DIA18-ARIN tech-c: DIA18-ARIN tech-c: DSNNO-ARIN mnt-by: MNT-DSNL-9 created: 2024-04-15T19:22:30Z last-modified: 2024-04-15T19:22:30Z source: ARIN rpki-ov-state: valid route: 23.136.136.0/24 origin: AS400146 descr: Diamond State Networks NET-23-136-136-0-1 notify: ipadmin [at] diamondstatenetworks.com mnt-by: MAINT-AS400146 changed: daryl [at] diamondstatenetworks.com 20230605 #01:56:07Z source: RADB last-modified: 2023-11-13T16:17:27Z rpki-ov-state: valid route: 66.33.24.0/21 origin: AS400146 descr: Diamond State Networks NET-66-33-24-0 mnt-by: MAINT-AS400146 changed: daryl [at] diamondstatenetworks.com 20230719 #13:42:59Z source: RADB last-modified: 2023-11-13T16:17:48Z rpki-ov-state: valid route: 66.33.24.0/21 origin: AS400146 descr: Diamond State Networks NET-66-33-24-0 PO BOX 848 Fayetteville AR 72702 United States admin-c: DIA18-ARIN tech-c: DIA18-ARIN tech-c: DSNNO-ARIN mnt-by: MNT-DSNL-9 created: 2024-04-15T19:21:45Z last-modified: 2024-04-15T19:21:45Z source: ARIN rpki-ov-state: valid route: 66.33.80.0/21 origin: AS400146 descr: Diamond State Networks NET-66-33-80-0 mnt-by: MAINT-AS400146 changed: daryl [at] diamondstatenetworks.com 20230719 #13:44:14Z source: RADB last-modified: 2023-11-13T16:17:48Z rpki-ov-state: valid route: 66.33.80.0/21 origin: AS400146 descr: Diamond State Networks NET-66-33-80-0 PO BOX 848 Fayetteville AR 72702 United States admin-c: DIA18-ARIN tech-c: DIA18-ARIN tech-c: DSNNO-ARIN mnt-by: MNT-DSNL-9 created: 2024-04-15T19:02:12Z last-modified: 2024-04-15T19:02:12Z source: ARIN rpki-ov-state: valid route6: 2001:470:2c::/48 origin: AS400146 descr: NET-2001-470-2c---48-AS400146 admin-c: ZH17-ARIN tech-c: ZH17-ARIN mnt-by: MNT-HURC source: ARIN created: 2023-11-08T02:45:14Z last-modified: 2023-11-08T02:45:14Z rpki-ov-state: valid route6: 2606:d240::/32 origin: AS400146 descr: Diamond State Networks NET6-2606-D240-1 PO BOX 848 Fayetteville AR 72702 United States admin-c: DIA18-ARIN tech-c: DIA18-ARIN tech-c: DSNNO-ARIN mnt-by: MNT-DSNL-9 created: 2024-04-15T19:24:06Z last-modified: 2024-04-15T19:24:06Z source: ARIN rpki-ov-state: valid route6: 2606:d240::/32 origin: AS400146 descr: Diamond State Networks NET6-2606-D240-1 notify: ipadmin [at] diamondstatenetworks.com mnt-by: MAINT-AS400146 changed: daryl [at] diamondstatenetworks.com 20230605 #01:56:45Z source: RADB last-modified: 2023-11-13T16:17:27Z rpki-ov-state: valid