When CGNAT is present, my guess is that's the case. It would be nice to see a study on that; don't know if there is one already. Users doing speed tests in CGN

When CGNAT is present, my guess is that's the case. It would be nice to see a study on that; don't know if there is one already. Users doing speed tests in CGNAT may be seeing numbers that aren't exactly real for a (still) mostly IPv4 Internet.