BRL-CAD is a powerful cross-platform constructive solid geometry solid modeling system that includes an interactive geometry editor, ray-tracing for rendering & geometric analyses, network distributed framebuffer support, image & signal-processing tools.
Open source cross-platform (Windows/Linux/Mac) Java Visual Traceroute.
Data is displayed in a 3D or a 2D map component.
What is a traceroute? http://en.wikipedia.org/wiki/Traceroute
If you need some help, please first check http://visualtraceroute.net/
Feel free to drop by and leave a comment on the Facebook page
https://www.facebook.com/openvisualtraceroute
Enjoy and share!