These entries are queried from radb.net using whois, you can try my project getting these.
:AS60951 route: 152.89.224.0/22 origin: AS60951 mnt-by: mnt-at-smsat-1 created: 2020-02-05T08:40:08Z last-modified: 2020-02-05T08:40:08Z 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 route: 152.89.225.0/24 origin: AS60951 mnt-by: mnt-at-smsat-1 created: 2020-06-15T09:12:21Z last-modified: 2020-06-15T09:12:21Z 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 route: 195.182.6.0/24 descr: sms.at mobile internet services gmbh origin: AS60951 mnt-by: NESSUS-AT-MNT created: 2013-04-04T12:46:44Z last-modified: 2013-04-04T12:46:44Z 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