Ping the world

I just pinged a few million random IP addresses from my apartment in NYC. Here's the result:

Some notes:

What's going on with Sweden? Too much torrenting?

Ireland is likewise super slow, but not Northern Ireland

Eastern Ukraine is also super slow, maybe not surprising given current events.

Toronto seems screwed too, as well as part of NH and western PA.

Russia has fast internet.

The world:

Here are some high resolution plots, including one centered over the Eastern hemisphere: world.(png\midpdf), east.(png\midpdf), west.(png\midpdf)

Some more notes on methodology