These entries are queried from radb.net using whois, you can try my project getting these.
:AS29236 route: 194.55.159.0/24 descr: NWT-SCHW1 origin: AS29236 mnt-by: TXX-MNT mnt-by: SCHWEICKERT-DE-WDF-MNT created: 2005-02-09T10:51:06Z last-modified: 2015-01-05T10:09:02Z 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 route6: 2001:67c:2d28::/48 descr: NWT-SCHWv6 origin: AS29236 mnt-by: TXX-MNT mnt-by: SCHWEICKERT-DE-WDF-MNT created: 2015-01-05T10:02:21Z last-modified: 2015-01-05T10:02:21Z 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