These entries are queried from radb.net using whois, you can try my project getting these.
:AS401307 route: 69.58.54.0/23 origin: AS401307 descr: Berrien RESA Block admin-c: NETOP64-ARIN tech-c: NETOP64-ARIN mnt-by: MNT-KALAMA-2 created: 2023-02-26T18:31:25Z last-modified: 2023-02-26T18:31:25Z source: ARIN rpki-ov-state: valid route: 69.58.56.0/23 origin: AS401307 descr: Berrien RESA Block admin-c: NETOP64-ARIN tech-c: NETOP64-ARIN mnt-by: MNT-KALAMA-2 created: 2023-02-26T18:32:36Z last-modified: 2023-02-26T18:32:36Z source: ARIN rpki-ov-state: valid route: 69.58.58.0/23 origin: AS401307 descr: Van Buren ISD Network admin-c: NETOP64-ARIN tech-c: NETOP64-ARIN mnt-by: MNT-KALAMA-2 created: 2023-01-30T17:53:57Z last-modified: 2023-01-30T17:53:57Z source: ARIN rpki-ov-state: valid route: 69.58.60.0/24 origin: AS401307 descr: Van Buren ISD Network admin-c: NETOP64-ARIN tech-c: NETOP64-ARIN mnt-by: MNT-KALAMA-2 created: 2023-01-30T17:54:29Z last-modified: 2023-01-30T17:54:29Z source: ARIN rpki-ov-state: valid route: 69.58.62.0/24 origin: AS401307 descr: Heritage Southwest ISD Block admin-c: NETOP64-ARIN tech-c: NETOP64-ARIN mnt-by: MNT-KALAMA-2 created: 2023-02-26T18:19:08Z last-modified: 2023-02-26T18:19:08Z source: ARIN rpki-ov-state: valid route: 136.228.36.0/23 origin: AS401307 descr: Northwest Education Services admin-c: ADMIN6127-ARIN tech-c: ADMIN6127-ARIN tech-c: KKT-ARIN mnt-by: MNT-MSEN-1 created: 2023-03-10T14:08:15Z last-modified: 2023-03-10T14:08:15Z source: ARIN rpki-ov-state: valid route: 136.228.40.0/24 origin: AS401307 descr: Wexford Missaukee ISD admin-c: ADMIN6127-ARIN tech-c: ADMIN6127-ARIN tech-c: KKT-ARIN mnt-by: MNT-MSEN-1 created: 2023-03-10T14:27:53Z last-modified: 2023-03-10T14:27:53Z source: ARIN rpki-ov-state: valid route: 136.228.41.0/24 origin: AS401307 descr: West Shore ESD admin-c: ADMIN6127-ARIN tech-c: ADMIN6127-ARIN tech-c: KKT-ARIN mnt-by: MNT-MSEN-1 created: 2023-03-10T14:29:41Z last-modified: 2023-03-10T14:29:41Z source: ARIN rpki-ov-state: valid route: 136.228.42.0/24 origin: AS401307 descr: Michigan Statewide Educational Network admin-c: ADMIN6127-ARIN tech-c: ADMIN6127-ARIN tech-c: KKT-ARIN mnt-by: MNT-MSEN-1 created: 2024-02-14T15:05:50Z last-modified: 2024-02-14T15:05:50Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 136.228.43.0/24 origin: AS401307 descr: Northwest Education Services admin-c: ADMIN6127-ARIN tech-c: ADMIN6127-ARIN tech-c: KKT-ARIN mnt-by: MNT-MSEN-1 created: 2024-02-14T15:04:25Z last-modified: 2024-02-14T15:04:25Z source: ARIN rpki-ov-state: valid route: 136.228.44.0/24 origin: AS401307 descr: Mecosta Osceola ISD admin-c: ADMIN6127-ARIN tech-c: ADMIN6127-ARIN tech-c: KKT-ARIN mnt-by: MNT-MSEN-1 created: 2023-03-10T14:52:23Z last-modified: 2023-03-10T14:52:23Z source: ARIN rpki-ov-state: valid route: 136.228.45.0/24 origin: AS401307 descr: Manistee ISD admin-c: ADMIN6127-ARIN tech-c: ADMIN6127-ARIN tech-c: KKT-ARIN mnt-by: MNT-MSEN-1 created: 2023-03-10T14:54:02Z last-modified: 2023-03-10T14:54:02Z source: ARIN rpki-ov-state: valid route: 136.228.47.0/24 origin: AS401307 descr: Shiawasee RESD admin-c: ADMIN6127-ARIN tech-c: ADMIN6127-ARIN tech-c: KKT-ARIN mnt-by: MNT-MSEN-1 created: 2023-03-10T14:55:52Z last-modified: 2023-03-10T14:55:52Z source: ARIN rpki-ov-state: valid route: 136.228.48.0/24 origin: AS401307 descr: COOR ISD admin-c: ADMIN6127-ARIN tech-c: ADMIN6127-ARIN tech-c: KKT-ARIN mnt-by: MNT-MSEN-1 created: 2023-03-10T15:27:25Z last-modified: 2023-03-10T15:27:25Z source: ARIN rpki-ov-state: valid route: 136.228.49.0/24 origin: AS401307 descr: Bay Arenac ISD admin-c: ADMIN6127-ARIN tech-c: ADMIN6127-ARIN tech-c: KKT-ARIN mnt-by: MNT-MSEN-1 created: 2023-03-10T19:24:42Z last-modified: 2023-03-10T19:24:42Z source: ARIN rpki-ov-state: valid route: 136.228.50.0/24 origin: AS401307 descr: Shiawasee RESD admin-c: ADMIN6127-ARIN tech-c: ADMIN6127-ARIN tech-c: KKT-ARIN mnt-by: MNT-MSEN-1 created: 2023-03-10T14:56:39Z last-modified: 2023-03-10T14:56:39Z source: ARIN rpki-ov-state: valid route: 136.228.52.0/24 origin: AS401307 descr: Genesee ISD admin-c: ADMIN6127-ARIN tech-c: ADMIN6127-ARIN tech-c: KKT-ARIN mnt-by: MNT-MSEN-1 created: 2023-03-10T13:22:32Z last-modified: 2023-03-10T13:22:32Z source: ARIN rpki-ov-state: valid route: 136.228.53.0/24 origin: AS401307 descr: Genesee ISD admin-c: ADMIN6127-ARIN tech-c: ADMIN6127-ARIN tech-c: KKT-ARIN mnt-by: MNT-MSEN-1 created: 2023-03-10T13:40:37Z last-modified: 2023-03-10T13:40:37Z source: ARIN rpki-ov-state: valid route: 136.228.54.0/24 origin: AS401307 descr: Genesee ISD admin-c: ADMIN6127-ARIN tech-c: ADMIN6127-ARIN tech-c: KKT-ARIN mnt-by: MNT-MSEN-1 created: 2023-03-10T13:23:38Z last-modified: 2023-03-10T13:23:38Z source: ARIN rpki-ov-state: valid route: 136.228.55.0/24 origin: AS401307 descr: Genesee ISD admin-c: ADMIN6127-ARIN tech-c: ADMIN6127-ARIN tech-c: KKT-ARIN mnt-by: MNT-MSEN-1 created: 2023-03-10T13:24:02Z last-modified: 2023-03-10T13:24:02Z source: ARIN rpki-ov-state: valid route: 136.228.56.0/24 origin: AS401307 descr: Eaton RESA admin-c: ADMIN6127-ARIN tech-c: ADMIN6127-ARIN tech-c: KKT-ARIN mnt-by: MNT-MSEN-1 created: 2023-03-10T19:27:16Z last-modified: 2023-03-10T19:27:16Z source: ARIN rpki-ov-state: valid route: 136.228.57.0/24 origin: AS401307 descr: Montcalm Area ISD admin-c: ADMIN6127-ARIN tech-c: ADMIN6127-ARIN tech-c: KKT-ARIN mnt-by: MNT-MSEN-1 created: 2023-03-10T19:28:34Z last-modified: 2023-03-10T19:28:34Z source: ARIN rpki-ov-state: valid route: 136.228.58.0/24 origin: AS401307 descr: Iosco RESA admin-c: ADMIN6127-ARIN tech-c: ADMIN6127-ARIN tech-c: KKT-ARIN mnt-by: MNT-MSEN-1 created: 2023-03-10T19:30:45Z last-modified: 2023-03-10T19:30:45Z source: ARIN rpki-ov-state: valid route: 136.228.60.0/24 origin: AS401307 descr: Alpena Montmorency Alcona ESD admin-c: ADMIN6127-ARIN tech-c: ADMIN6127-ARIN tech-c: KKT-ARIN mnt-by: MNT-MSEN-1 created: 2023-03-10T14:21:30Z last-modified: 2023-03-10T14:21:30Z source: ARIN rpki-ov-state: valid route: 136.228.63.0/24 origin: AS401307 descr: Eaton RESA admin-c: ADMIN6127-ARIN tech-c: ADMIN6127-ARIN tech-c: KKT-ARIN mnt-by: MNT-MSEN-1 created: 2023-03-10T13:55:22Z last-modified: 2023-03-10T13:55:22Z source: ARIN rpki-ov-state: valid route: 142.54.8.0/22 origin: AS401307 descr: Saginaw Intermediate School District + 3933 Barnard Road Saginaw MI 48603 United States admin-c: IN-ORG-ARIN tech-c: JRM122-ARIN tech-c: LEWIS1101-ARIN tech-c: MALLO41-ARIN mnt-by: MNT-SISD created: 2023-03-07T13:13:45Z last-modified: 2023-03-07T13:13:45Z source: ARIN rpki-ov-state: valid route: 142.54.8.0/23 origin: AS401307 descr: Saginaw Intermediate School District 3933 Barnard Road Saginaw MI 48603 United States admin-c: IN-ORG-ARIN tech-c: JRM122-ARIN tech-c: LEWIS1101-ARIN tech-c: MALLO41-ARIN mnt-by: MNT-SISD created: 2023-03-07T13:15:24Z last-modified: 2023-03-07T13:15:24Z source: ARIN rpki-ov-state: valid route: 142.54.10.0/23 origin: AS401307 descr: Saginaw Intermediate School District 3933 Barnard Road Saginaw MI 48603 United States admin-c: IN-ORG-ARIN tech-c: JRM122-ARIN tech-c: LEWIS1101-ARIN tech-c: MALLO41-ARIN mnt-by: MNT-SISD created: 2023-03-07T13:16:23Z last-modified: 2023-03-07T13:16:23Z source: ARIN rpki-ov-state: valid route: 142.54.12.0/22 origin: AS401307 descr: Saginaw Intermediate School District 3933 Barnard Road Saginaw MI 48603 United States admin-c: IN-ORG-ARIN tech-c: JRM122-ARIN tech-c: LEWIS1101-ARIN tech-c: MALLO41-ARIN mnt-by: MNT-SISD created: 2023-03-07T13:17:21Z last-modified: 2023-03-07T13:17:21Z source: ARIN rpki-ov-state: valid route: 142.54.12.0/23 origin: AS401307 descr: Saginaw Intermediate School District 3933 Barnard Road Saginaw MI 48603 United States admin-c: IN-ORG-ARIN tech-c: JRM122-ARIN tech-c: LEWIS1101-ARIN tech-c: MALLO41-ARIN mnt-by: MNT-SISD created: 2023-03-07T13:18:20Z last-modified: 2023-03-07T13:18:20Z source: ARIN rpki-ov-state: valid route: 142.54.14.0/23 origin: AS401307 descr: Saginaw Intermediate School District 3933 Barnard Road Saginaw MI 48603 United States admin-c: IN-ORG-ARIN tech-c: JRM122-ARIN tech-c: LEWIS1101-ARIN tech-c: MALLO41-ARIN mnt-by: MNT-SISD created: 2023-03-07T13:20:56Z last-modified: 2023-03-07T13:20:56Z source: ARIN rpki-ov-state: valid route: 204.25.192.0/18 origin: AS401307 descr: Michigan Statewide Educational Network admin-c: ADMIN6127-ARIN tech-c: ADMIN6127-ARIN tech-c: KKT-ARIN mnt-by: MNT-MSEN-1 created: 2023-03-10T20:16:56Z last-modified: 2023-03-10T20:16:56Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.25.192.0/23 origin: AS401307 descr: MISEN - Merit Network admin-c: ADMIN6127-ARIN tech-c: ADMIN6127-ARIN tech-c: KKT-ARIN mnt-by: MNT-MSEN-1 created: 2023-03-01T02:17:01Z last-modified: 2023-03-01T02:17:01Z source: ARIN rpki-ov-state: valid route: 204.25.216.0/22 origin: AS401307 descr: Muskegon Area ISD Block admin-c: ADMIN6127-ARIN tech-c: ADMIN6127-ARIN tech-c: KKT-ARIN mnt-by: MNT-MSEN-1 created: 2023-03-01T02:32:08Z last-modified: 2023-03-01T02:32:08Z source: ARIN rpki-ov-state: valid route: 204.25.240.0/23 origin: AS401307 descr: Eastern Upper Peninsula ISD admin-c: ADMIN6127-ARIN tech-c: ADMIN6127-ARIN tech-c: KKT-ARIN mnt-by: MNT-MSEN-1 created: 2024-02-26T14:21:10Z last-modified: 2024-02-26T14:21:10Z source: ARIN rpki-ov-state: valid route: 204.25.255.0/24 origin: AS401307 descr: MISEN - Test Network admin-c: ADMIN6127-ARIN tech-c: ADMIN6127-ARIN tech-c: KKT-ARIN mnt-by: MNT-MSEN-1 created: 2023-03-10T19:36:44Z last-modified: 2023-03-10T19:36:44Z source: ARIN rpki-ov-state: valid route6: 2607:7d80::/32 origin: AS401307 descr: MISEN admin-c: ADMIN6127-ARIN tech-c: ADMIN6127-ARIN tech-c: KKT-ARIN mnt-by: MNT-MSEN-1 created: 2023-03-15T01:13:02Z last-modified: 2023-03-15T01:13:02Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:118:c000::/42 origin: AS401307 descr: Saginaw Intermediate School District 3933 Barnard Road Saginaw MI 48603 United States admin-c: IN-ORG-ARIN tech-c: JRM122-ARIN tech-c: LEWIS1101-ARIN tech-c: MALLO41-ARIN mnt-by: MNT-SISD created: 2023-03-07T14:02:29Z last-modified: 2023-03-07T14:02:29Z source: ARIN rpki-ov-state: valid route6: 2620:118:c080::/42 origin: AS401307 descr: Saginaw Intermediate School District 3933 Barnard Road Saginaw MI 48603 United States admin-c: IN-ORG-ARIN tech-c: JRM122-ARIN tech-c: LEWIS1101-ARIN tech-c: MALLO41-ARIN mnt-by: MNT-SISD created: 2023-03-07T14:03:47Z last-modified: 2023-03-07T14:03:47Z source: ARIN rpki-ov-state: valid