In the last few hours, all the public Internet hosts I knew were physically in Iraq (i.e. connected through the Iraqi state provider), have stopped responding. I don't know the cause (power failure, telecom failure, physical damage, shutdown by administrator, etc).
Of course, this does not mean there are no IP-enabled devices operating within Iraq's physical borders. The Iraq government and military may have private IP networks, not connected to the Internet or connected in ways I don't know about. Likewise the US military and various news media are carrying IP enabled devices in southern Iraq, but I don't know their IP addresses. I also believe in Kurdish controlled areas have seperate Internet connections.