How to ping faster when I reach unreachable IP?

Question

I have an app which pings IP or IP range. The problem is that when hosts are closed it takes longer to ping than they are open. When host is closed the time to ping is about

Answer 1

You need to redesign your application to use multithreading -> tasks. Issue a task for each ping, and when you receive a response from a given host fire an event and update the UI. Changing socket timeout will only help you to reduce the timeout from outrageous to insufferable.