These entries are queried from radb.net using whois, you can try my project getting these.
:AS56917 route: 31.131.190.0/23 origin: AS56917 mnt-by: DALTECH-MNT created: 2022-01-16T23:57:07Z last-modified: 2022-01-16T23:57:07Z 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: 31.131.190.0/24 origin: AS56917 mnt-by: DALTECH-MNT created: 2021-12-23T03:25:44Z last-modified: 2021-12-23T03:25:44Z 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: 31.131.191.0/24 origin: AS56917 mnt-by: DALTECH-MNT created: 2021-12-16T00:59:43Z last-modified: 2021-12-16T00:59:43Z 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