These entries are queried from radb.net using whois, you can try my project getting these.
:AS48290 route: 193.28.212.0/22 descr: Gruenenthal Pharma GmbH & CO. KG origin: AS48290 notify: notify-ip [at] a1-net.de mnt-by: ACCOM-MNT created: 2008-12-02T08:24:35Z last-modified: 2008-12-02T08:24:35Z 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