These entries are queried from radb.net using whois, you can try my project getting these.
:AS44129 route: 193.169.31.0/24 descr: GVC Services(Bulgaria) EOOD origin: AS44129 mnt-by: BETANDWIN-MNT mnt-by: PRTY-MNT notify: soc [at] bwinparty.com created: 2017-11-08T08:49:25Z last-modified: 2019-10-07T07:58:13Z 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