These entries are queried from radb.net using whois, you can try my project getting these.
:AS39819 route: 91.207.28.0/23 descr: DC ProHost Network origin: AS39819 mnt-by: YV66632-MNT created: 2013-10-10T14:50:02Z last-modified: 2013-10-10T14:50:02Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 91.213.233.0/24 descr: DC ProHost Network origin: AS39819 mnt-by: YV66632-MNT created: 2009-09-24T08:58:03Z last-modified: 2012-02-09T07:12:13Z 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