These entries are queried from radb.net using whois, you can try my project getting these.
:AS51520 route: 91.194.2.0/23 origin: AS51520 mnt-by: kl-net-mnt created: 2019-05-28T09:05:35Z last-modified: 2019-05-28T09:05:35Z 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: 178.250.191.0/24 origin: AS51520 mnt-by: STANDART-MNT created: 2023-07-29T14:17:43Z last-modified: 2023-07-29T14:17:43Z 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