These entries are queried from radb.net using whois, you can try my project getting these.
:AS31303 route: 217.174.16.0/20 descr: NIOC network, Iran origin: AS31303 mnt-by: NIOC-MNT created: 2004-04-10T06:04:27Z last-modified: 2004-04-10T06:04:27Z 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: 217.174.16.0/24 descr: NIOC Route 1 origin: AS31303 mnt-by: NIOC-MNT created: 2011-10-31T07:09:49Z last-modified: 2011-10-31T07:09:49Z 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