1. Grenouille. http://grenouille.com/.
2. Measurement lab. http://www.measurementlab.net/.
3. RIPE Atlas. https://atlas.ripe.net/.
4. SIMET - Measurement System for Internet Traffic. http://simet.nic.br/.
5. S. Bauer, D. Clark, and W. Lehr. Understanding broadband speed measurements. In In 38th Research Conference on Communication, Information and Internet Policy. TPRC, October 2010.