Ip 192.168 18.1 Here

netsh interface ip set address name="Ethernet" static 192.168.18.1 255.255.255.0 192.168.18.254

The address 192.168.18.1 clearly falls within the 192.168.0.0 to 192.168.255.255 range. Ip 192.168 18.1

While it looks like a typo for the common router IP , the address 192.168.18.1 is actually a specific default gateway used by several major networking brands. netsh interface ip set address name="Ethernet" static 192