These entries are queried from radb.net using whois, you can try my project getting these.
:AS199231 route: 185.4.228.0/22 descr: DATALAHTI AS route origin: AS199231 mnt-by: DLHT-MNT created: 2012-09-27T13:56:45Z last-modified: 2013-03-18T12:58:41Z 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: valid route6: 2a02:c5c0::/29 origin: AS199231 mnt-by: DLHT-MNT created: 2020-09-09T17:35:05Z last-modified: 2020-09-09T17:35:05Z 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