"Sir, please type this into your browser to get to the router web interface: 2001:0db8:85a3:0000:0000:8a2e:0370:7334. I repeat 2001:0db8:85a3:0000:0000:8a2e:0370:7334."
"Server IP address could not be found."
5 minutes later...
"Now could you please tell me the IPs of all connected devices?"
Customer hangs up and cancels his subscription.