These entries are queried from radb.net using whois, you can try my project getting these.
:AS39434 route: 81.24.80.0/21 descr: LTD DagestanTeleKom origin: AS39434 mnt-by: SUBNET05-MNT created: 2015-04-07T08:06:02Z last-modified: 2017-07-24T13:10:25Z 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: 81.24.80.0/24 descr: LTD Sabnet origin: AS39434 mnt-by: SUBNET05-MNT created: 2015-02-03T16:08:02Z last-modified: 2019-04-01T07:09:26Z 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: 81.24.81.0/24 descr: DagestanTelekom-AS origin: AS39434 mnt-by: SUBNET05-MNT created: 2015-02-03T16:09:03Z last-modified: 2017-07-24T13:10:52Z 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