These entries are queried from radb.net using whois, you can try my project getting these.
:AS51803 route: 31.129.230.0/24 origin: AS51803 mnt-by: SYNDICATE-MNT created: 2023-08-28T16:01:13Z last-modified: 2023-08-28T16:01:13Z 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 route: 95.46.32.0/24 origin: AS51803 mnt-by: DL-MNT mnt-by: AK-MNT created: 2021-09-20T09:04:53Z last-modified: 2021-09-20T09:04:53Z 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:2c1::/32 descr: IPPLUS V6 origin: AS51803 mnt-by: IPPLUS-MNT mnt-by: K-Link-MNT created: 2023-01-05T16:03:16Z last-modified: 2023-01-05T16:03:16Z 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