If you need more than 254 devices, change to 255.255.254.0 ( /23 ) which adds 192.168.0.x range.
At first glance, "192.168 1.100 1" appears to be a malformed IP address. Valid IPv4 addresses consist of four numbers separated by dots (periods), ranging from 0 to 255. The correct formats are: 192.168 1.100 1
Have you ever typed 192.168.1.100:1 into your browser, expecting to see a router login page or a device settings panel, only to be met with a frustrating or “Unable to connect” error? If you need more than 254 devices, change to 255
If you suspect your computer currently holds the .100 address, you can verify this via the command line interface. On Windows Press the . Type cmd and hit Enter . Type ipconfig and press Enter . 192.168 1.100 1