NetworkUtilityTools is a handy software package for network related diagnoses, simulation and monitoring tasks. Package includes:
-Ping Tool: test the reachability of a host and measure the round-trip time.
-Trace Route: display the route and measure transit delays of packets across an network.
-UDP Listener: listen on an assigned port, and display captured UDP packets on that port.
-UDP broadcaster: broadcast message in UDP packets format to desired IP address and port.
-TCP Server: a simple TCP-Echo-Server, repeats any received TCP packets back to the client that sent them.
-TCP Client: simulates a TCP client, send message in TCP packet to a designate server.
-UPnP Checker: tests if your router is UPnP enabled and if a particular port is port forwardable.
-Service Monitor: tests a HTTP/TCP/UDP service periodically. Notify the status change and display the overall test statistics.
-Whats My IP: displays the pubic IP of your device
-Port Scanner: scans for open port within a given IP range