Removing a Public IPv4 Address from an IONOS Windows Server
In this article, we'll show you how to remove a public IPv4 address in a Windows server.
Prerequisites:
You have unassigned the additional public IPv4 address in the Cloud Panel.
You have logged in to the server.
Open the Control Panel.
Click Network and Internet > Network and Sharing Center > Change Adapter Settings.

Right-click on the network adapter. Usually, this is the network adapter Ethernet 0.
Click on Properties.
Double-click Internet Protocol Version 4 (TCP / IPv4) .

Click Advanced.

In the IP Addresses area, click the desired IP address.
Click Remove.

The public IPv4 address has now been removed.