These entries are queried from radb.net using whois, you can try my project getting these.
:AS202189 route: 145.15.244.0/22 descr: NOC Nederlandse Spoorwegen origin: AS202189 mnt-by: KPNCM-MNT created: 2014-04-09T09:54:24Z last-modified: 2014-04-09T09:54:24Z 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