Microsoft Windows [Version 6.1.7000] (C) Copyright 2009 Microsoft Corp. C:\Windows>netsh interface ipv6 delete route ?
Usage: delete route [prefix=]/[interface=][[nexthop=]][[store=]active|persistent]
Parameters:
Tag Value
prefix - Prefix of route to delete.
interface - Interface name or index.
nexthop - Gateway address, if prefix is not on-link.
store - One of the following values:
active: Change only lasts until next boot.
persistent: Change is persistent.
By default, entries in both stores are deleted.\n
Remarks: Deletes an IPv6 route.
Example:
delete route 3ffe::/16 "Internet" fe80::1