What Is IPv6?

Every device that connects to a network needs an IP address to communicate. It’s a unique address that gives data information about where to go. An IP address ensures that your requested web page does not open up on another user’s screen on the network.

With billions of devices connected to the internet today and more coming online every year, the current IPv4 protocol is all but depleted.

Like IPv4, IPv6 is an internet protocol version designed for the next phase of the internet. It is a 128-bit address that gives 340 undecillion unique IP addresses. Comparing that with IPv4’s 4.2 billion unique addresses gives perspective on how much IPv6 is needed to facilitate the growing number of internet users.

What Does An IPv6 Address Look Like?

An IPv4 address has a numerical string that looks like this:



By contrast, an IPv6 includes both numbers and alphabets:

  • Fd7d:2f4a:961e:5bfd

Why Blocking IPv6 Leak Matters

Users who are upgrading to IPv6 addresses will find that existing solutions may not support it yet. Previously, FastestVPN did not feature the ability to block the leakage of the user’s IPv6 address while connected to a VPN server. It presented a challenge for users in certain situations such as while streaming. In addition to preventing IPv4 addresses from leaking, FastestVPN now prevents IPv6 addresses from leaking as well.

What’s Next For FastestVPN?

We are constantly making improvements to FastestVPN for the best user experience. Building on the commitment to providing a leading VPN service, we will be introducing more features, such as Wireguard support, in the future.

As we continuously detect and fix issues, we would love to hear your thoughts on what you expect to see from FastestVPN in future updates.


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