These entries are queried from radb.net using whois, you can try my project getting these.
:AS3220 route: 194.15.141.0/24 descr: Internet Technology Advisors origin: AS3220 notify: kurtis [at] kurtis.pp.se mnt-lower: KURTIS-PP-MNT mnt-routes: KURTIS-PP-MNT mnt-by: KURTIS-PP-MNT created: 2004-03-18T14:30:33Z last-modified: 2004-03-18T14:30:33Z 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