Steve has pretty much covered it all: Outside wan address is set by dhcp, and often will change whenever the router pulls a new ip request from the modem/isp. If you don't have a static IP, then this address will change randomly. Inside the LAN the 192.168 address is also usually set by dhcp, and usually starts in the 0.100 or 1.100 subnet.
Once you have the MAC address for your device or computer you’re ready to create its static IP address. To create a static IP address. Before you start. You will need the IP address of your Telstra modem. The IP address is on the underneath of your modem. The most common modem IP addresses are: 10.0.0.138; 192.168.0.1; 192.168.15.1; Make sure Static vs. dynamic IP addresses - Google Fiber Help Static IP addresses normally matter more when external devices or websites need to remember your IP address. One example is VPN or other remote access solutions that trust (whitelists) certain IPs for security purposes. A static IP address is not required if you are hosting a server, although it can simplify the setup process. Use Mikrotik dhcp make static to allow static IP on Sep 24, 2018 Difference Between Static and Dynamic IP address (with
Setting up a static IP address for PS4 - Ubisoft Support
[resolved ] Getting a static external IP address A static IP address might be the ideal solution, but there are workarounds, such as DDNS, that may suffice for you. In regards to security and privacy, that depends on what you are making available to the world via the IP address. Want to make static IP for Wi-Fi users - TechSpot Forums
The local IP address of your PS4 could be set up in two ways: it can be static or dynamic. A dynamic IP address changes each time you restart your console or router.If you made settings that rely on the IP address to stay the same (for example port forwarding), they would no longer work because the IP address has changed. A static IP does not change.
How do I enter a static IP address on a NETGEAR router Nov 08, 2018