Information about the transition to CGNAT

What do we do?

We are switching to CGNAT and the message you have received states when we perform the transition for you. You should expect approximately one hour of downtime for your Altibox services. If you experience challenges with TV and/or internet after the work, restart your technical equipment. If the problem persists, contact our customer center.

Why are we making this change?

Due to the increasing number of devices on the internet, there are practically no available public IPv4 addresses. The only good solution is to use CGNAT. CGNAT means that several customers share the same public IP address.

What does this mean for you?

You will be assigned a new IP address from us, but for most people you will not notice any difference after the transition. If you have more advanced needs, your own servers or port-forwarded services, you will be affected by the change.

A positive effect of the change is that you no longer have a public IP address, reducing your exposure to potential attacks on your network.

Some online games will experience problems after the transition. If you experience problems, please contact us to resolve it, preferably by email

ATTENTION! Important information for those with port forwarding or DMZ

If you have set up port forwarding (e.g. for heating control or a camera in the cabin), these will stop working. To solve this, you must contact us after the conversion, preferably by email

If you want to know more about CGNAT, see here

Do you have any questions?

Norway's most satisfied customers

The Altibox team is delighted to have won the award for best customer service in several categories.

We are once again voted best in customer service!

Altibox customers are the most satisfied of all TV and internet users in Norway. Both the Norwegian Customer Barometer and KSIndeks have once again confirmed this. Thousands of people have answered questions about the company they are customers of. The results are in and Altibox is at the top in several categories.

Midt-Telemark Breiband sponsors Breiset og Omegn Løypelag

We took a trip to one of the winners of Midt-Telemark Breiband Sponser Breiset & Omegn Løypelag. The mastermind behind the trail team, John Steinar Slaaen, met us on the treadmill to talk about what the sponsorship funds have been spent on.