These entries are queried from radb.net using whois, you can try my project getting these.
:AS203239 route: 146.247.46.0/24 descr: VMware Sofia Bulgaria origin: AS203239 mnt-by: SG95803-MNT created: 2016-03-07T12:06:48Z last-modified: 2016-03-07T12:06:48Z 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: 2a0d:1e00::/48 origin: AS203239 mnt-by: VMWARE-CIS-ADMIN-OPS mnt-by: SG95803-MNT created: 2023-05-16T17:44:41Z last-modified: 2023-05-16T17:44:41Z 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: 2a0d:1e00:46::/48 origin: AS203239 mnt-by: VMWARE-CIS-ADMIN-OPS mnt-by: SG95803-MNT created: 2023-02-15T12:26:43Z last-modified: 2023-02-15T12:26:43Z 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