These entries are queried from radb.net using whois, you can try my project getting these.
:AS208439 route: 45.136.164.0/22 origin: AS208439 mnt-by: mnt-az-fiberon-1 created: 2019-10-30T15:17:00Z last-modified: 2019-10-30T15:17:00Z 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