These entries are queried from radb.net using whois, you can try my project getting these.
:AS30707 route: 5.253.136.0/24 origin: AS30707 mnt-by: yb-noc created: 2019-02-09T00:17:18Z last-modified: 2019-02-09T00:17:18Z 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: 45.141.246.0/24 origin: AS30707 mnt-by: yb-noc created: 2019-08-16T16:06:46Z last-modified: 2019-08-16T16:06:46Z 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: 2a06:7247::/45 origin: AS30707 mnt-by: yb-noc created: 2019-01-17T00:33:41Z last-modified: 2019-01-17T00:33:41Z 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