These entries are queried from radb.net using whois, you can try my project getting these.
:AS47922 route: 91.216.2.0/24 descr: Latvian Geospatial Information Agency origin: AS47922 mnt-by: AS8194-MNT created: 2012-05-02T08:37:51Z last-modified: 2012-05-02T08:37:51Z 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