These entries are queried from radb.net using whois, you can try my project getting these.
:AS51898 route: 77.220.204.0/24 origin: AS51898 mnt-by: borneokg-1 created: 2017-07-20T10:42:16Z last-modified: 2017-07-20T10:42:16Z 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