On 4/7/13 9:45 PM, "Huasong Zhou" <huasong at kalorama.com> wrote: >We got this modem and router all in one box from Comcast directly. And by >the way, home use routers don't assign 10.0.0.0 numbers. Sure they can. And I'm sure if you checked the WAN interface of the device it has a public IPv4 address. - Jason