These entries are queried from radb.net using whois, you can try my project getting these.
:AS213018 route: 2.57.253.0/24 origin: AS213018 mnt-by: INFRASIO-MNT created: 2020-11-10T19:47:09Z last-modified: 2020-11-10T19:47:23Z 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: 2a0e:8f00:dfc0::/42 origin: AS213018 mnt-by: OPENFACTORY-NOC created: 2020-07-10T19:46:52Z last-modified: 2021-05-15T02:57:16Z 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