Microsoft Windows XP [Version 5.1.2600] (C) Copyright 1986-2001 Microsoft Corp. C:\WINDOWS>netsh routing ip ospf add range ?
Usage: add range [areaid=][range=]
Parameters:
Tag Value
areaid - The IP address of the area to which range is added.
range - The IP address and mask of the area range to add.
Remarks: Adds the IP address and mask pair that define a range of addresses
belonging to this area. OSPF ranges are used to summarize the routes within
this OSPF area.
Examples:
add range 0.0.0.1 11.1.0.0 255.255.0.0