These entries are queried from radb.net using whois, you can try my project getting these.
:AS51350 route: 195.245.225.0/24 descr: Technikum Wien origin: AS51350 mnt-by: AS12878-MNT mnt-by: ACONET-LIR-MNT created: 2010-09-08T13:59:14Z last-modified: 2016-02-22T09:09:43Z 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: 2001:67c:1790::/48 origin: AS51350 mnt-by: ACONET-LIR-MNT created: 2019-10-16T09:26:37Z last-modified: 2019-10-16T09:26:37Z 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