These entries are queried from radb.net using whois, you can try my project getting these.
:AS47341 route: 88.216.146.0/24 origin: AS47341 mnt-by: MNT-NTT-LIR created: 2018-11-27T07:42:27Z last-modified: 2018-11-27T07:42:27Z 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: 2001:4048:108::/48 origin: AS47341 mnt-by: MNT-NTT-LIR created: 2018-11-28T05:57:41Z last-modified: 2018-11-28T05:57:41Z 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