Portable Networking and IT Tools
Angry IP Scanner is an open source, free, and portable network IP address scanner and open port scanning tool that was designed to be fast and very simple to use. This popular networking tool is commonly used by network administrators around the world to quickly scan an IP address for host names and open ports.
Network Stuff is a Free Portable Network Tool that can be used to perform various network diagnostic functions to ensure that your network and routes are all working properly. Popular features include Telnet, Ping, Traceroute, Whois, DNS resolver, retrieve MAC addresses, retrieve IP addresses, view TCP/UDP/ICMP stats and more.
TCPView is a portable tool that can be used to display a detailed list and current state of all TCP and UDP endpoint connections and the process name running each endpoint. TCPView provides more informative information than the Netstat program that ships with Windows and includes a command line version called Tcpvcon that offers the same functionality.
Look@LAN is a Portable application that allows a user to monitor which clients are connected to a local network. It will display the IP addresses of any computer attached to your local network and will determine if the machines are online or offline and can display if the computer is using a Windows operating system or not.
VB Ping is a Free Portable Ping tool that enables users to quickly and easily Ping an IP Address while logging the Ping results. VB Ping can be run in either manual mode or automatic mode and can log Date, IP Address, Data Sent, Return Status, Address (dec), Round Trip Time, Data Packet Size, Data Returned, and Pointers.