No specific info about version 4.0. Please visit the main page of Net-Peeker on Software Informer.
Control your local Internet and network traffic, and bandwidth.
Manage and enhance your Windows Firewall with extra functionality.
PC Tools Firewall Plus is a powerful free personal firewall for Windows.
IPcalc.NET is a small GUI utility that calculates the network address
Display real time network traffic speed for every computer in the network.
It is an application that will monitor your network traffic.