LAN IP address
Moxa Internet Sharer is
If you already have an existing LAN and you would like to keep your IP addressing policy, you may change the Internet Sharer IP to fit to your addressing policy. Be aware that the network mask has to be 255.255.255.0. The LAN IP address is restricted to start with 192.168.n.n, where n is between 0 and 255, for private LAN use.