These entries are queried from radb.net using whois, you can try my project getting these.
:AS206730 route: 185.166.48.0/22 descr: Stichting Ipse de Bruggen - Network origin: AS206730 mnt-by: IDBNOC-MNT created: 2016-12-07T10:21:18Z last-modified: 2016-12-07T10:21:18Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid route6: 2a0a:8a00::/32 descr: Stichting Ipse de Bruggen - Network origin: AS206730 mnt-by: IDBNOC-MNT created: 2022-06-30T15:14:38Z last-modified: 2022-06-30T15:14:38Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid