Explanation About Address Illegal

        Intranet-private intranets that do not have the will to mengoneksikan intranet to the Internet can choose whatever they want to address, although it uses a public address that has been assigned by the InterNIC. If an organization later decides to connect its intranet to the Internet, it uses the address scheme may contain addresses that may have been set by the InterNIC or other organization. The addresses can be a conflict between one and the other, so it is also called the illegal address, which can not be reached by other hosts.