Network monitoring tools

• Traceroute
  • What is my IP address / traceroute?
  • Traceroute from elsewhere in the world to a target
  • Trace router utilization
  • Visual traceroute
• Ping:
  • a host from SLAC
  • a host from Italy
  • regions from my laptop a java demo that ping hosts around the world
• DNS lookup time to a chosen host from around the world.
• Test my network configuration from:
  • Stanford test the reliablity and operational status of your desktop computer and network connection by sending data between your computer and this remote NDT server.
• MLab Internet measurement tools
• Internet speed measurement:
  • Abeltronica dynamic measurement
  • Speedtest dynamic measurement
  • Bandwidth test
  • Bandwidth estimation calculates the theoretical maximum TCP throughput based on the specified parameters.
  • WAN throughput calculator used to measure the effect that bandwidth, latency and packet loss have on effective WAN throughput
  • Speed vs distance
  • Akamai examines the real-world connection speeds for people in the top 50 countries on the Internet, i.e. the countries with the most Internet users.
  • Speedtest based on millions of recent test results from Speedtest.net, this index compares and ranks consumer download speeds around the globe.
  • National Broadband map
• Where am I?
• Information on my IP address
• Latitude Longitude of another site
• World Internet perfromance:
  • Ping world regions from my laptop
  • "Movie" chart of Internet performance from 1998 thru last year and a video showing how to use it
  • Internet Congestion Wave (46MB video file), (15MB video file)
  • Hourly latency measurements for 2005
  • African Internet Weather also on YouTube"
• Check Windows settings