Netmetr in terminal

Hello,
is somewhere available Netmetr for terminal? I have suspicion that I have a slower connection than is guaranteed by my provider. I know that Netmetr is used by Czech Telecommunication Office. And I want create probe for my home network. Unfortunately Turris is in network in my student flat. I want to use Raspberry Pi as probe with automate testing and only in terminal.
I mean something like this:

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