These entries are queried from radb.net using whois, you can try my project getting these.
:AS50657 route: 193.107.156.0/22 descr: Westnet GmbH origin: AS50657 remarks: ------------------------------------------- remarks: this net is routed by: remarks: i3B GmbH remarks: ------------------------------------------- mnt-by: i3B-MNT mnt-by: MYSYS-MNT created: 2010-03-17T21:02:08Z last-modified: 2014-05-15T07:21:55Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 193.109.140.0/23 descr: Westnet GmbH origin: AS50657 remarks: ------------------------------------------- remarks: this net is routed by: remarks: i3B GmbH remarks: ------------------------------------------- mnt-by: i3B-MNT mnt-by: MYSYS-MNT created: 2010-05-25T12:53:57Z last-modified: 2014-05-15T07:21:24Z 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: not_found # No ROAs found, or RPKI validation not enabled for source