Microsoft Windows XP [Version 5.1.2600] (C) Copyright 1986-2001 Microsoft Corp. C:\WINDOWS>netsh ras ip delete range ?
delete range [from = ] from [to = ] to
Deletes a range from the static IP address pool that the RAS server uses.
from - the starting IP address in the range in the form 'x.x.x.x'
to - the ending IP address in the range in the form 'x.x.x.x'