These entries are queried from radb.net using whois, you can try my project getting these.
:AS205650 route: 147.234.18.0/24 origin: AS205650 mnt-by: PCLabs-MNT created: 2017-07-03T11:04:32Z last-modified: 2020-10-13T08:48:35Z 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: 147.234.19.0/24 origin: AS205650 mnt-by: NV-MNT-RIPE mnt-by: PCLabs-MNT created: 2020-10-15T06:25:29Z last-modified: 2020-10-15T07:26:13Z 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