I spent some time last week to analyze the IPv6 traffic isc.sans.org receives. To do so, I considered the last 90 days worth of logs. The full report can be found here. A quick summary: IPv6 is still used by only 1.3% of hosts connecting to isc.sans.org. This is a considerable increase from about a year ago, which was about 0.5%. But the number of hits is still small. Iam not able to proof this in every single case, but the overwhelming use of tunnels suggests that most if not all of these users would be able to reach isc.sans.org via ...