These entries are queried from radb.net using whois, you can try my project getting these.
:AS51355 route: 185.88.252.0/23 origin: AS51355 mnt-by: FZ1165-mnt created: 2019-01-31T08:11:22Z last-modified: 2019-01-31T08:11:22Z 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: 185.88.254.0/23 origin: AS51355 mnt-by: FZ1165-mnt created: 2018-05-26T06:32:38Z last-modified: 2018-05-26T06:32:38Z 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