Sadly the majority of consumer traffic is still on IPv4; so if you want to understand what regular people are experiencing - it will be v4 traffic. The network

Sadly the majority of consumer traffic is still on IPv4; so if you want to understand what regular people are experiencing - it will be v4 traffic. The network I was on in this case for doing the testing was v4-only. All that said, I'd be quite keen to see where v6 peering is happening.