These entries are queried from radb.net using whois, you can try my project getting these.
:AS203356 route: 185.137.248.0/22 descr: PL-KBTHOLDING origin: AS203356 mnt-by: pl-kbt-1-mnt created: 2016-02-08T16:51:48Z last-modified: 2016-02-08T16:51:48Z 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: 2a07:800::/29 descr: PL-KBTHOLDING origin: AS203356 mnt-by: pl-kbt-1-mnt created: 2016-02-08T16:55:34Z last-modified: 2016-02-08T16:55:34Z 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