I have five public IPs. For instance 1.1.1.1, 2.2.2.2, 3.3.3.3, 4.4.4.4, 5.5.5.5, but I only have one line coming from the wall. Another issue is that the building that our office is in, supplies the connection via a switch port. Meaning we don't have access to the modem directly. I need to be...