These entries are queried from radb.net using whois, you can try my project getting these.
:AS21308 route: 193.239.142.0/24 origin: AS21308 mnt-by: MNT-VELES created: 2020-04-24T13:09:39Z last-modified: 2020-04-24T13:09:39Z 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: 193.239.143.0/24 origin: AS21308 mnt-by: MNT-VELES created: 2020-03-31T10:28:13Z last-modified: 2020-12-14T15:52:47Z 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: 2001:67c:e00::/48 origin: AS21308 mnt-by: MNT-VELES created: 2024-02-20T11:16:14Z last-modified: 2024-02-20T11:16:14Z 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