Visit Insider’s Tech Reference library for more stories. You might need to change your IP address for technical or security reasons. Your public IP address can be changed by resetting your router or connecting to a VPN. You can change your local IP address from the network settings controls menu on a PC, Mac, or phone. But you don’t have to think about it at all, or open the hood of your computer and flip switches. Does your IP address change everyday?Īs you move from the airport to your hotel to the local coffee house, your IP address will change each and every time. If you need to have a fixed address, you can ask your ISP for static address. Most ISPs allocate their range of IP addresses dynamically (using DHCP), and the “lease” is often set to 24 hours, which is why your address changes at that frequency. Under “Configure IPv4” if you see MANUALLY you have a static IP address and if you see USING DHCP you have a dynamic IP address. Under system preferences, select Network and then “Advanced”, then go to TCP/IP. This happens through an encrypted tunnel, and your ISP won’t even be able to see your activity. A VPN will keep your public IP address private and signal to the network that you’re connecting via a different location, thus changing your IP address. How do I stop my public IP address from changing?Ĭonnect via Virtual Private Network (VPN). Most of the time, the reason for a sudden change in an IP address is typically due to an interruption between your router and the internet. So when does a dynamic IP address change? Depending on your ISP, the IP address could change frequently after the lease expiration. Why does my WAN IP address keep changing? Why does my computer have a public IP address?.What does it mean when your IP address keeps changing?.How do you check if my WAN IP is static?.Why does my WAN IP address keep changing?.