iperf3 and speedtest-cli likley and/or can use (radically) different paths in the whole internet routing. ISPs might do tricky things to routing etc, so they save on costs. I can tell much more, but you better try to figure out what your ISP does or any other nodes. It might be all dead-end that is untraceable, so you will never get to know.
Statistics: Posted by redvli — Sun Dec 15, 2024 10:24 am