These entries are queried from radb.net using whois, you can try my project getting these.
:AS51378 route: 46.29.64.0/21 descr: Klinikum Ingolstadt via AS51378 notify: noc [at] klinikum-ingolstadt.de origin: AS51378 mnt-by: MNT-KLINIKUM created: 2010-08-06T12:11:09Z last-modified: 2010-08-06T12:11:09Z 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 route6: 2a02:2228::/32 descr: Klinikum Ingolstadt via AS51378 notify: noc [at] klinikum-ingolstadt.de origin: AS51378 mnt-by: MNT-KLINIKUM created: 2010-08-05T14:43:57Z last-modified: 2010-08-06T12:12:40Z 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