These entries are queried from radb.net using whois, you can try my project getting these.
:AS200463 route: 91.230.196.0/23 descr: Letkom LLC Service Provider network origin: AS200463 mnt-by: LETKOM-MNT created: 2015-07-17T05:16:55Z last-modified: 2015-07-17T05:16:55Z 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: 193.232.114.0/24 descr: LLC firm "Letkom" origin: AS200463 mnt-by: ROSNIIROS-MNT created: 2017-09-14T06:52:48Z last-modified: 2017-09-14T06:52:48Z 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: 193.232.245.0/24 descr: LLC firm "Letkom" origin: AS200463 mnt-by: ROSNIIROS-MNT created: 2018-08-21T12:16:01Z last-modified: 2018-08-21T12:16:01Z 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: 195.19.221.0/24 descr: LLC firm "Letkom" origin: AS200463 mnt-by: ROSNIIROS-MNT created: 2016-08-22T11:29:36Z last-modified: 2016-08-22T11:29:36Z 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