These entries are queried from radb.net using whois, you can try my project getting these.
:AS199751 route: 128.254.204.0/24 origin: AS199751 descr: Route 128.254.204.0/24 admin-c: ZHAD1-ARIN tech-c: ZHAD1-ARIN mnt-by: MNT-ZHL-3 created: 2023-07-17T20:20:37Z last-modified: 2023-07-17T20:20:37Z source: ARIN rpki-ov-state: valid route6: 2a0a:6040:3d00::/40 origin: AS199751 mnt-by: HOSTIT-MNT mnt-by: CLOUDIE-MNT created: 2023-02-22T21:12:34Z last-modified: 2023-02-22T21:12:34Z 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: not_found # No ROAs found, or RPKI validation not enabled for source