VPN providers are focused on privacy and security. They protect against IPv6 leaks. Although the internet is moving slowly towards this new protocol, not many VPNs support it. Only a handful of VPN providers support IPv6.

What’s IPv6?

Nobody could have imagined that the Internet would be a global communications network when it was first created. At that time, there were just a handful of devices connected to the Internet. Each device was assigned an IP address.

The internet is connected to 8 billion devices today. It is impossible to identify every device with the IPv4 addresses, so IPv6 was created.

IPv6 is an improved version of the 32-bit IPv4 predecessor. It is an IP protocol of 128 bits length that can hold up to 3.4×1038 unique address. This number is sufficient to assign an address to each device. The transition to the new version can be slow and costly because of its lack of backward compatibility.

Why don’t VPN providers support IPv6

You can get both IP addresses from ISPs. Many VPN providers don’t support IPv6 for technical and economic reasons. They chose to block it.

It’s relatively simple to set up a dual-stack host. It is difficult to overcome technological problems in security. You must address DNS and IP leakage issues in order to make IPv6 work.

When privacy is at stake, it’s important to handle corner cases, such as when switching servers are necessary. Your traffic could be exposed even if you disconnect from VPN for a few seconds.

It’s economically more profitable to support IPv6 than block it. The internet runs mainly on older versions of IPv6 so spending resources to support them seems inefficient. VPN companies prioritize marketing over tackling technical challenges. It’s not worth the effort and it isn’t needed by many people.

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VPN over IPv6 Network

Why does VPN not work with IPv6 It doesn’t support it. It is unfortunate that some popular US mobile networks, such as T-Mobile, are IPv6-only. A VPN that does not support dual stacks on such networks will not work.

Some websites and hosting providers only work with the latest IP version. There aren’t many websites that work on both IP versions, so there are not many. They can only be accessed via VPN that supports IPv6.

Which VPN supports IPv6?

Best VPNs that Support IPv6

Privacy

Perfect Privacy, one of the most trusted VPNs that works with IPv6. This privacy-focused service has dual-stack servers across 26 countries. It protects all users’ data by running on RAM-disk.

This premium VPN service offers great security, OpenVPN, IPSec and SSH2 protocols. It also includes DNS and IP leak protection, as well as Internet Kill Switch.

It allows multi-hop connections which are double-encrypted. StealthVPN is another option that protects against DPI detection.

Perfect Privacy’s TrackStop feature can block trackers, malware and ads. The service’s unlimited bandwidth and speed make it great for torrenting and P2P. It’s not compatible if you need to unblock Netflix.

All plans include a seven-day money-back guarantee

Perfec Privacy VPN logo horizontal

  • TrackStop feature
  • Media tracking and blocking ads
  • Stealth VPN technology
  • Policy no-logs and RAM-disk servers
  • Available in 26 countries
  • Speeds up to 10000Mbps
  • 7-day money-back guarantee

AzireVPN

AzireVPN, a Swedish VPN provider, offers full IPv6 support. The team behind it has vast cybersecurity experience. This service doesn’t keep logs and runs RAM disk servers.

AzireVPN servers are completely self-managed, and don’t involve any third parties. This is great news for people who want extra privacy.

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This VPN is fast and secure, and it works with WireGuard.

It supports OpenVPN, SOCKS5 and other modern protocols.

All servers are allowed to torrent from 15 locations all over the globe.

AzireVPN, a VPN provider that offers IPv6 is great for tech-savvy users who value privacy. All plans are very affordable and come with a seven-day money-back warranty.

AzireVPN logo

    • WireGuard supports Windows, macOS iOS, Android, Linux and routers
    • Each platform has its own WireGuard client
    • Importing config files into your computer
    • Privacy-focused VPN without logs policy
    • Servers are powered by RAM memory
    • Supports IPv6/P2P traffic
    • 7-day money-back guarantee

    AirVPN

    AirVPN allows IPv6 traffic. It is transparent VPN that privacy advocates run. It uses only OpenSource code to develop features.

    Dual-stack servers allow torrenting, and it supports nearly all VPN protocols. It protects you online with Internet Kill Switch and IP leak protection.

    This provider is transparent. Their website allows you to view the technical specifications and live server stats.

    AirVPN offers a variety of plans. AirVPN offers a variety of plans, from a 2-day 2Euro plan to a 1/3/6 month or even a 3-year plan. They offer a 3-day return policy on all plans.

    AirVPN is one provider that offers port forwarding and other tech-features.

    It supports 5 simultaneous connections and has no data limits, speed or bandwidth limitations.

AirVPN logo

  • OpenVPN over SSL, SSL, or Tor
  • Supports IPv6/P2P traffic
  • Allows port forwarding
  • Transparent policies and specifications
  • 3-day money-back guarantee

How can you prevent IPv6 VPN breakout

VPNs that don’t support IPv6 often block your OS’s entire protocol stack. This happens automatically when you connect to VPNs.

NordVPN, for example, is a popular service which does not allow IPv6 traffic. After connecting, it simply changes the address value to .. This local network address is not permitted to be routed publically and cannot be leaked.

Providers that support IPv6 are in a different position. Many technical issues must be considered when setting up the network. You should, for example, not leak your IP address when connecting to another server.

DNS queries should also be addressed. VPN apps that are not properly configured can leak DNS requests and bypass VPN tunnels.

You need a VPN service that can handle all scenarios to prevent IPv6 leaks. To protect against IP leaks, an internet kill switch is a must-have.

There’s an easy way to check IP leaks in case you are concerned about your online traffic being exposed.

How do you test IPv6 leaks

It doesn’t matter if your VPN supports IPv6. You need to test for IP leaks. You can check the ipleak.net site to find out how to do this. Here are some ways to test for VPN IPv6 leaks.

  1. Connect to a VPN server
  2. Visit IPleak.net website
  3. Wait until all automated tests pass
  4. You can check the results for DNS and IP leakage

A VPN that is not compatible with IPv6 should produce an unreachable result. The result should differ if a VPN supports such traffic. Both your IP addresses before and after connecting to the VPN server should be totally different.

Wireshark is a more advanced method of testing, but it requires advanced networking knowledge and scripting.

Conclusion

Mnay VPNs don’t support the latest version of IP protocol, but instead block it. Due to technical difficulties, it is difficult to create a dual stack that is great. Perfect Privacy works with IPv6. It is the best.

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Evangeline Christina is a Cyber Security Enthusiast, Security Blogger, Technical Editor, Certified Ethical Hacker, Author at Cyberspecial.net. Previously, he worked as a security news reporter in a reputed news agency.

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