[achillean]

We released a tool to calculate the favicon hash called "favscan": https://blog.shodan.io/deep-dive-http-favicon/

And here's a map of favicons that Shodan has seen across the Internet: https://faviconmap.shodan.io/

[lexicality]

I opened the map and immediately saw the (not very big) erect penis in the top right. The curse of having a dirty mind...