These entries are queried from radb.net using whois, you can try my project getting these.
:AS20893 route: 217.27.96.0/20 descr: SYSTEM-CLINCH Internet Services GmbH descr: Zurcherstr. 12 descr: CH-8400 Winterthur origin: AS20893 remarks: *************************************************** remarks: For Spam/Abuse, please contact abuse [at] clinch.ch remarks: *************************************************** notify: mmagnin [at] clinch.ch mnt-by: SYSTEM-CLINCH-MNT mnt-routes: SYSTEM-CLINCH-MNT created: 2002-12-05T13:14:44Z last-modified: 2015-07-14T17:24:54Z 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