These entries are queried from radb.net using whois, you can try my project getting these.
:AS50721 route: 193.105.206.0/24 descr: Koller Sebastian Karl origin: AS50721 remarks: ------------------------------------------- remarks: this net is routed by: remarks: i3B GmbH remarks: ------------------------------------------- mnt-by: i3B-MNT mnt-by: MNT-ABATON created: 2010-03-17T20:59:07Z last-modified: 2016-09-14T10:26:19Z 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 route6: 2001:67c:2078::/48 descr: Koller Sebastian Karl origin: AS50721 mnt-by: i3B-MNT mnt-by: MNT-ABATON created: 2011-02-08T20:01:47Z last-modified: 2016-09-14T10:27:21Z 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: not_found # No ROAs found, or RPKI validation not enabled for source