Microsoft Windows XP [Version 5.1.2600] (C) Copyright 1986-2001 Microsoft Corp. C:\WINDOWS>netsh interface ip delete ?
The following commands are available:
Commands in this context:delete address - Deletes an IP address or default gateway from the specified interface.
delete arpcache - Flushes the ARP cache for one or all interfaces.
delete dns - Deletes the DNS server from the specified interface.
delete wins - Deletes the WINS server from the specified interface.