These entries are queried from radb.net using whois, you can try my project getting these.
:AS43543 route: 193.239.170.0/23 descr: KZRK IP Network origin: AS43543 mnt-by: KZRK-MNT mnt-routes: KZRK-MNT created: 2007-08-22T11:36:42Z last-modified: 2007-08-22T11:36:42Z 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: 193.239.170.0/24 descr: KZRK 170 route origin: AS43543 mnt-by: KZRK-MNT created: 2007-08-30T12:42:35Z last-modified: 2007-08-30T12:42:35Z 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: 193.239.171.0/24 descr: KZRK 171 route origin: AS43543 mnt-by: KZRK-MNT created: 2007-08-30T12:43:51Z last-modified: 2007-08-30T12:43:51Z 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