hello dear
I'm developing a network app using your library. I want to check if the IP is in the network or not. for some IP the exception raise which I have surprised why? this the picture of the problem.

but this exception occurs just for some IP and I don't understand why! for example, the below picture shows the correctness of the library

hello dear
I'm developing a network app using your library. I want to check if the IP is in the network or not. for some IP the exception raise which I have surprised why? this the picture of the problem.
but this exception occurs just for some IP and I don't understand why! for example, the below picture shows the correctness of the library