Sreekanth Bandarla is ready to make a change:
In this blog post, let’s see how to change all the IP addresses involved in a typical Always on Availability group configuration. In my setup, I have an AG with two replicas and a listener. See below to get an idea of my current environment on which I am going to change all the underlying IP addresses.
Click through for a step-by-step process, as well as a few things to remember.