Why does my IP address keeps changing?
Do you see a different IP address assigned to your computer every time you connect to Internet, home or office network? There is no need to worry about it as it's normal to happen on computer networks. Mentioned below are some reasons as to why your IP address keeps changing.
- When you connect to Internet - When you connect to Internet using your ISP's dialer or using ADSL broadband modem, your ISP assigns you a random IP address every time you connect. This is a normal policy that almost every ISP follows. Only those connections wherein the ISP has assigned a static IP address, it won't change every time a connection is made with the ISP.
- When you connect to home network - If your home router is configured to assign dynamic IP addresses via the built-in DHCP server and when the lease duration of the IP address is very low, you will different IP addresses getting assigned to your computer.
- When you connect to office network - Office network has a DHCP server that assigns IP addresses to all the devices connecting to the network. The configuration of the DHCP server varies from office to office. If the lease duration of the IP address assigned to your office computer is set to expire the same day, you will see a different IP address everyday.
Also see: How to get a static IP address for my machine? and How to find IP number of your system?