Every restart my ip changes so cannot access arduino ethernet

Hello ,

I am new in arduno.
I am trying to Turn Off ond ON a device via internet by arduno UNO and Ethernet HUNRUN module.
It worked fine ,but every restart of my PC (the IP changes) So I cant access it again ,i need to know the new IP / what is the remady for it ?

If you are talking about your public IP, then a static IP from your ISP or use a dynamic dns service.