IPtraf-ng is not available for Windows but there are a few alternatives that runs on Windows with similar functionality. The best Windows alternative is Glances, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to IPtraf-ng and three of them are available for Windows so hopefully you can find a suitable replacement. Other interesting Windows alternatives to IPtraf-ng are ntop (Free, Open Source) and Kiwi application monitor (Freemium).
Glances is a cross-platform monitoring tool which aims to present a large amount of monitoring information through a curses or Web based interface. The information dynamically adapts depending on the size of the user interface.
NTop is a hybrid layer 2 / layer 3 network monitor, that is by default it uses the layer 2 Media Access Control (MAC) addresses AND the layer 3 tcp/ip addresses. ntop is capable of associating the two, so that ip and non-ip traffic (e.g.