Microsoft Windows XP [Version 5.1.2600] (C) Copyright 1986-2001 Microsoft Corp. C:\WINDOWS>netsh routing ip delete scope ?
Usage: delete scope [grpaddr=][grpmask=]
-or-
delete scope [scopename=]
Parameters:
Tag Value
grpaddr - The multicast scope or group IP address
grpmask - The subnet mask for the multicast scope address
scopename - The name of the multicast scope to be deleted
Remarks: Deletes a multicast scope for the IP routing configuration.
Examples:
delete scope 239.1.1.1 255.255.255.255
delete scope "My Multicast Scope"