Since 2002 Nmap has offered IPv6 support for its most popular features. SpeedCheckers broadband speed test is the best tool to measure the actual speeds experienced by end-users. How To Run A Ping Test In Cmd For Broadband Speed Test Youtube Using our speed test tool is as simple as clicking Start Speed Test on our home page or in our apps Android iOSIn 30 seconds you will have your download and upload speeds and also your pinglatency time. . Of course you must use IPv6 syntax if you specify an address rather than a hostname. In particular ping scanning TCP-only connect scanning and version detection all support IPv6. The command syntax is the same as usual except that you also add the -6 option.