These entries are queried from radb.net using whois, you can try my project getting these.
:AS42719 route: 31.128.253.0/24 origin: AS42719 mnt-by: Merlin-Telecom-MNT created: 2017-03-21T21:19:48Z last-modified: 2017-03-21T21:19:48Z 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: 31.128.254.0/24 origin: AS42719 mnt-by: Merlin-Telecom-MNT created: 2019-04-22T17:51:44Z last-modified: 2019-04-22T17:51:53Z 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