These entries are queried from radb.net using whois, you can try my project getting these.
:AS13742 route: 70.37.192.0/20 origin: AS13742 mnt-by: MNT-CENCO-1 descr: 116 N PIGEON ST JACKSON NE 68743 United States tech-c: WOODB214-ARIN admin-c: WOODB214-ARIN member-of: RS-NNTC source: ARIN created: 2020-06-23T21:36:13Z last-modified: 2020-06-23T21:36:13Z rpki-ov-state: valid route: 70.37.208.0/20 origin: AS13742 mnt-by: MNT-CENCO-1 descr: 116 N PIGEON ST JACKSON NE 68743 United States tech-c: WOODB214-ARIN admin-c: WOODB214-ARIN member-of: RS-NNTC source: ARIN created: 2020-06-23T21:36:53Z last-modified: 2020-06-23T21:36:53Z rpki-ov-state: valid