These entries are queried from radb.net using whois, you can try my project getting these.
:AS57311 route: 91.231.98.0/24 descr: Neohost.net origin: AS57311 mnt-by: NEOHOST-MNT created: 2011-09-27T04:52:37Z last-modified: 2013-02-12T12:47:01Z 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: 193.242.166.0/24 descr: Neohost route #2 origin: AS57311 mnt-by: NEOHOST-MNT notify: noc [at] neohost.com.ua created: 2012-07-05T14:29:17Z last-modified: 2012-07-05T14:29:17Z 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