These entries are queried from radb.net using whois, you can try my project getting these.
:AS50601 route: 185.159.228.0/23 origin: AS50601 mnt-by: crossivity-mnt created: 2016-10-03T10:25:27Z last-modified: 2016-10-03T10:25:27Z 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: 185.159.230.0/23 origin: AS50601 mnt-by: crossivity-mnt created: 2016-10-01T16:20:57Z last-modified: 2016-10-03T10:25:06Z 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: 2a07:b780::/29 origin: AS50601 mnt-by: rave-mnt mnt-by: crossivity-mnt created: 2016-10-01T16:21:36Z last-modified: 2016-10-01T16:21:36Z 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