These entries are queried from radb.net using whois, you can try my project getting these.
:AS56488 route: 194.76.135.0/24 origin: AS56488 mnt-by: PREFIXBROKER-MNT created: 2023-04-21T10:42:09Z last-modified: 2023-04-21T10:42:09Z 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: 217.28.136.0/24 origin: AS56488 mnt-by: lir-it-eis-1-MNT created: 2022-04-13T13:01:28Z last-modified: 2022-04-13T13:01:28Z 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: 2a12:2540::/32 origin: AS56488 mnt-by: lir-it-eis-1-MNT created: 2022-01-25T15:29:55Z last-modified: 2022-01-25T15:29:55Z 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: 2a12:2540::/33 origin: AS56488 mnt-by: lir-it-eis-1-MNT created: 2022-04-13T09:26:53Z last-modified: 2022-04-13T09:26:53Z 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: 2a12:2540:8000::/33 origin: AS56488 mnt-by: lir-it-eis-1-MNT created: 2022-04-13T09:27:19Z last-modified: 2022-04-13T09:27:19Z 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