I have updated the graph to include 6rd, based on my understanding that the
prefixes of the form 2a01:e3xx: are your 6rd space.
There is *other* FreeNet space, which appears to do things, but I sense its not
part of the 6rd deployment since the numberforms in the lower /64 appear to be
infrastructure assignment, not classic customer space forms.
Please let me know if I have this wrong.
You will notice that this count places Free/6rd at a far lower relative % of
unique DNS than the measures of traffic and sources people discussing here. I
think this bears thinking about.
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