Select the Addresses tab.
Select the IP address's network.
Select one or more IP addresses you want to modify.
If you want to modify more than one address, press the Control key while you click with the mouse to select multiple addresses. You can also press the Shift key while you click to select a block of addresses.
Choose Properties from the Edit menu.
The Modify Addresses dialog box or the Modify Multiple Address dialog box opens.
Change the appropriate properties.
Click the Help button or refer to Table 4–6 for information about the properties.