Patent ID: 7899054

Claim:
A management device used in a network to which nodes are connected, comprising: an information requesting unit to send out a request packet requesting IP address information concerning IP addresses of each node through the network while using one of an IPv4 protocol or an IPv6 protocol; an information receiving unit to receive the IP address information returned from each node as a single response to the request packet, wherein if two or more IP addresses, including at least an IPv4 address and an IPv6 address, respectively used for the IPv4 protocol and the IPv6 protocol are assigned to a single node, the IP address information received from the single node contains the two or more IP addresses; and an information displaying unit to display, on a display, IP addresses in the received address information such that if the two or more IP addresses are in the IP address information received from the single node, the two or more IP addresses are treated as IP addresses belonging to the single node.