iPhone taking up two ip addresses in my home WiFi

Hi,

I just found out that my iphone is using 2 ip addresses when connected to my home network.

Looking in the router for devices connected, it shows the device with its regular name and another called 'audiocast'.

I managed to narrow down to my iphone by turning off everything else I have in my network.

Have you guys seen something like this before?

Is it possible that someone might have hacked my phone somehow and installed something that would cause that? and worse, that this was done remotely?