A geographical traceroute application called GTrace being developed by researchers at Caida.



sarangworld - trace routing (http://cybergeography.com)





There are a number of geographical traceroute utilities that try to map the geographical locations of routers. A good example of a geographical traceroute is NeoTrace from Neoworx. The image below shows NeoTrace running a trace from my office in central London to Mappa Mundi magazine based in Redwood City, California. NeoTrace can also show trace results as a listing and a performance chart. ( http://cybergeography.com)


















A fascinating Visualization Study of the NSFNET, undertaken by Donna Cox and Robert Patterson from the NCSA in 1992. The impressive images shown below are some of the results of this study. ( http://cybergeography.com)