How to Tell If You're Using IPv6 The easiest way to tell if you have IPv6 connectivity is to visit a website like testmyipv6.com. This website allows you to connect to it in different ways -- click the links near the top to see if you can connect to the website via different types of connections.

You can see whether you are on IPv4 or IPv6 in your web browser, command prompt, terminal or app here: https://i-p.show/ I-P.show By using I-P.show, you can check whether you are: On an IPv4 supported device here: https://v4.i-p.show On an IPv6 supported device here: https://v6.i-p.show

Check if IPv6 is enabled or disabled Method 1: Check IPv6 module status Method 2: Using sysctl Method 3: Check if IPv6 address is assigned to any interface Method 4: Check for any IPv6 socket using netstat Method 5: Check for listening IPv6 socket using ss Method 6: Check for listening addresses using lsof