This article will explain how you can activate a new IP address on a 123-reg Cloud and Dedicated Cloud server.
In the Servers section, click on the Manage link next to the Cloud Servers section.
Click on the Manage button next to the Cloud Server you wish to configure.
Click on the IP & DNS tab.
Click on the Assign a new IP address button.
Select a domain to assign to the IP from the drop down list. Then click on the Assign Domain button.
The additional IP will now be assigned to your chosen domain name.