There's a tool "Ping Plotter" which is used to diagnose network issues. It's an excellent tool to check how stable is your ping (actually Traceroute, which is different than Ping, but we won't go in detail here in the 1st post). When the test is running, the break in ping is shown as Red bar. A small 10 min test is enough to see how stable it is generally. Here's how to do this test: Steps: There's a tool called PingPlotter. Download it (Link) and run the 14 day trial. Run a new trace to www.google.com or any other site. Let it run for 10 min. Select the option File -> Share -> Create Share page) . This will create a page of results. Post the URL of that page with following info: City ISP Plan Comments Let us see how stable is your internet? Tips: You can test for more than 10 min if you don't see any "red bars". A one hour or more test can also show how stable your internet is. You can right click the graph in PingPlotter tool, and select "10 Minutes" so that the graph is zoomed to 10 min of view.