Re: Luftwaffe claim on 21.2.1945
 

VVS Voyenno-Vozdushnye Sily Military Air Fleet

IL-4 Ilyshin IL-4 the standard Soviet WW II era twin engined Medium bomber. Note plane ID was sometimes very poor it could have been another type of 2 engine bomber

the 1945 German claims list points out the claim may have been for the 21 Feb 45

from the book Bagration to Berlin by Christer Bergstrom

In the East
20 Feb 45 the Germans claimed 54 Soviet aircraft for 11 losses
21 Feb 45 " " " 20 Soviet aircraft for 7 losses

Christer has a number of books out on the air war on the Eastern Front you can see sections of them and more at:

bergstrombooks.se/bc-rs/