originAS per Matthias Cramer

Looks up the origin AS (Autonomous System) for the current Website.
It will insert a small box with the info on the bottom right corner. You can double click it to let it disappear until the next page load.
This extension will submit the domains you visit anonymously to ip6.ch. To retrieve the data it will display it uses a https encrypted connection.
More network related tools can be found on https://ip6.ch