These entries are queried from radb.net using whois, you can try my project getting these.
:AS49213 route: 91.212.173.0/24 descr: ASP PRIVAT-ONLINE origin: AS49213 mnt-by: PRIVATE-MNT mnt-lower: PRIVATE-MNT mnt-routes: PRIVATE-MNT created: 2009-06-19T05:42:47Z last-modified: 2009-06-19T05:42:47Z 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