These entries are queried from radb.net using whois, you can try my project getting these.
:AS6667 route: 192.136.73.0/24 origin: AS6667 mnt-by: ELISA-MNT created: 2017-08-08T08:09:20Z last-modified: 2019-01-28T07:26:44Z 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: valid route: 192.136.74.0/24 origin: AS6667 mnt-by: ELISA-MNT created: 2018-04-09T07:21:41Z last-modified: 2019-01-28T07:27:22Z 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: 192.175.45.0/24 descr: ELISA origin: AS6667 mnt-by: ELISA-MNT created: 2015-06-04T06:36:03Z last-modified: 2015-06-04T06:36:03Z 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: 213.192.184.0/21 descr: EunetIP Core Network origin: AS6667 mnt-by: ELISA-MNT created: 2002-09-25T08:49:30Z last-modified: 2019-01-28T07:25:46Z 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 route6: 2001:670::/32 descr: ELISA origin: AS6667 mnt-by: ELISA-MNT created: 2021-02-09T08:40:06Z last-modified: 2021-02-09T08:40:06Z 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