These entries are queried from radb.net using whois, you can try my project getting these.
:AS49338 route: 81.4.186.0/23 descr: Alpha Bank Cyprus origin: AS49338 notify: lir [at] cytanet.com.cy notify: IT [at] alphabank.com.cy mnt-by: CYTANET-NOC created: 2009-05-25T06:35:35Z last-modified: 2021-03-22T09:48:59Z 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