These entries are queried from radb.net using whois, you can try my project getting these.
:AS8867 route: 147.237.0.0/16 descr: IL-GOVT-BLOCK origin: AS8867 mnt-by: AS8867-MNT mnt-routes: AS8867-MNT ANY mnt-routes: AS9116-MNT { 147.237.232.0/24^24-24 } created: 1970-01-01T00:00:00Z last-modified: 2013-05-29T13:30:11Z 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: 2001:678:a3c::/48 origin: AS8867 mnt-by: AS8867-MNT created: 2019-07-03T12:31:33Z last-modified: 2019-07-03T12:31:33Z 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