From ICT4D Wiki
http://www-iepm.slac.stanford.edu/pinger/
PingER (Ping End-to-end Reporting) is the name given to the Internet End-to-end Performance Measurement (IEPM) project to monitor end-to-end performance of Internet links, developed by the IEPM group at the Stanford Linear Accelerator Center. The network performance of more than 300 hosts are monitored worldwide.
The ICTP Science Dissemination Unit publises results for: