Add network interfaces (IP) in your resources

First to in the resources management using the link provided on the hosting control panel :

You will find the optional network interfaces quota, with the 'add' link, you will be able to add the needed network interfaces in your resources :

You can only add up to 4 network interfaces per server, including the primary one.

Release network interfaces (IP) from your resources

In order to release network interfaces from your resources quota, the interfaces must not :

This means that you have to detach and delete the network interface in order to release it from your resources :

Then you will be able to release the network interface from your resources on this page :