These entries are queried from radb.net using whois, you can try my project getting these.
:AS60421 route: 148.81.116.0/24 descr: Urzad Miasta Siedlce origin: AS60421 notify: registry [at] nask.pl mnt-lower: NASK-MNT mnt-routes: NASK-MNT mnt-by: NASK-MNT created: 2013-08-23T09:57:15Z last-modified: 2013-08-23T09:57:15Z 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: valid route6: 2001:67c:1b90::/48 descr: Urzad Miasta Siedlce origin: AS60421 notify: registry [at] nask.pl mnt-lower: NASK-MNT mnt-routes: NASK-MNT mnt-by: NASK-MNT created: 2013-08-23T09:57:15Z last-modified: 2013-08-23T09:57:15Z 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