Нету его.
In 1995, the IPv6 address block fec0::/10 was reserved for site-local addresses,[2] that could be used within a "site" for private IPv6 networks. However, insufficient definition of the term site led to confusion over the governing routing rules.
In September 2004, the Internet Engineering Task Force (IETF) deprecated the definition of this address range,[3] and postulated solutions to its problems