X-NetStat Professional

X-NetStat Professional manages your current Internet and network connections. Information shown includes local and remote addresses, local and remote ports, connection status, connection age, bandwidth used, and the program/process behind it. Includes Auto-WHOIS lookup tools, Network Statistics (Interface, TCP, IP, UDP, ICMP), a web server, and many more features. It's like Internet/network radar, and you can even block unwanted connections.