These entries are queried from radb.net using whois, you can try my project getting these.
:AS60386 route: 91.237.107.0/24 descr: ALPHA GROUP LLC origin: AS60386 mnt-by: BIXMASTER-MNT created: 2013-07-29T11:18:28Z last-modified: 2014-02-18T15:13:12Z 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: 176.121.3.0/24 origin: AS60386 mnt-by: BIXMASTER-MNT created: 2017-09-21T10:30:30Z last-modified: 2017-09-21T10:30:30Z 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