These entries are queried from radb.net using whois, you can try my project getting these.
:AS209623 route: 45.142.21.0/24 origin: AS209623 mnt-by: mnt-de-gascade-1 created: 2023-04-03T11:59:15Z last-modified: 2023-04-03T11:59:15Z 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 route6: 2a0e:d3c1::/48 origin: AS209623 mnt-by: mnt-de-gascade-1 created: 2024-02-23T10:18:54Z last-modified: 2024-02-23T10:18:54Z 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