NetWorx is a free bandwidth monitoring tool with built in Ping and trace Root tools as well as alot more.
For me it is a good looking piece of software which is highly customisable to get it looking how you want.
Clear graphic and/or numeric display.
Usage reports with export to a variety of file formats, including Excel, MS Word and HTML.
Permits close supervision of uploads and downloads.
Works with dial-up, ISDN, cable modems, ADSL, Ethernet cards, and more.
Includes network information & testing tools with advanced netstat that displays applications using your Internet connection.
Scalable to your own modem download capabilities.
Option to notify user or disconnect from the Internet automatically when network activity exceeds a certain level.
Speed meter to accurately time downloads and report the average transfer rates.
Dial-up session journal with detailed information about every session.
Absolutely free and does not contain any adware/spyware/malware.