These entries are queried from radb.net using whois, you can try my project getting these.
:AS207283 route: 145.14.0.0/22 origin: AS207283 mnt-by: EXACT-MNT-GRP created: 2020-04-20T07:20:14Z last-modified: 2020-04-20T07:20:14Z 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 route: 145.14.0.0/24 origin: AS207283 mnt-by: EXACT-MNT-GRP created: 2020-04-20T07:18:58Z last-modified: 2020-04-20T07:18:58Z 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 route: 145.14.56.0/21 origin: AS207283 mnt-by: EXACT-MNT-GRP created: 2020-04-22T14:25:27Z last-modified: 2020-04-23T08:21:10Z 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