BBC News - 'Fresh proposals' planned over cyber-monitoring

Florian Weimer fw at
Sun May 12 10:07:04 BST 2013

* Charles Lindsey:

> But I thought IPv6 did reserve a batch of numbers that would map into
> the IPv4 space (but not at the "bottom" of the IPv6 range).

There are at least three different reserved /96 prefixes for mapping
IPv4 addresses.  Except for the deprecated ::/96 prefix, these
mappings are incompatible with the IPv6 address architecture and its
requirements on the structure of global unicast addresses, so their
use on the IPv6 Internet is not permitted.

More information about the ukcrypto mailing list