ccna60d/IPv6地址空间.md

IPv6地址空间

在IPv6地址空间中，当前所用到的主要有4段（分别是全球单播地址、本地唯一单播地址、链路范围单播地址及多播地址），其它各段为IETF保留。

用到的4个地址段

- `2000::/3`

`2000::` - `3fff:ffff:ffff:ffff:ffff:ffff:ffff:ffff`

**全球单播地址空间，Global Unicast Address Space**

- `fc00::/7`

`fc00::` - `fdff:ffff:ffff:ffff:ffff:ffff:ffff:ffff`

**本地唯一单播地址， Unique Local Unicast Address Space**

- `fe80::/10`

`fe80::` - `febf:ffff:ffff:ffff:ffff:ffff:ffff:ffff`

**链路上的单播地址空间， Link Scoped Unicast Address Space**

- `fec0::/10`

`fec0::` - `feff:ffff:ffff:ffff:ffff:ffff:ffff:ffff`

**为IETF所保留, Reserved by IETF**。 [RFC38979](http://www.iana.org/go/rfc3879)中弃用，先前的站点本地范围地址前缀。

• ff00::/8

  ff00:: - ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff

  多播地址空间, Multicast, 该段中由IANA分配的地址在这里进行了登记：http://www.iana.org/assignments/ipv6-multicast-addresses/ipv6-multicast-addresses.xhtml

全部IPv6地址空间

- `::/8`

`::` - `00ff:ffff:ffff:ffff:ffff:ffff:ffff:ffff`

**为IETF所保留, Reserved by IETF**

- `0100::/8`

`0100::` - `01ff:ffff:ffff:ffff:ffff:ffff:ffff:ffff`

**为IETF所保留, Reserved by IETF**

- `0200::/7`

`0200::` - `03ff:ffff:ffff:ffff:ffff:ffff:ffff:ffff`

**为IETF所保留, Reserved by IETF**

- `0400::/6`

`0400::` - `07ff:ffff:ffff:ffff:ffff:ffff:ffff:ffff`

**为IETF所保留, Reserved by IETF**

- `0800::/5`

`0800::` - `0fff:ffff:ffff:ffff:ffff:ffff:ffff:ffff`

**为IETF所保留, Reserved by IETF**

- `1000::/4`

`1000::` - `1fff:ffff:ffff:ffff:ffff:ffff:ffff:ffff`

**为IETF所保留, Reserved by IETF**

- `2000::/3`

`2000::` - `3fff:ffff:ffff:ffff:ffff:ffff:ffff:ffff`

**全球单播地址空间，Global Unicast Address Space**

- `4000::/3`

`4000::` - `5fff:ffff:ffff:ffff:ffff:ffff:ffff:ffff`

**为IETF所保留, Reserved by IETF**

- `6000::/3`

`6000::` - `7fff:ffff:ffff:ffff:ffff:ffff:ffff:ffff`

**为IETF所保留, Reserved by IETF**

- `8000::/3`

`8000::` - `9fff:ffff:ffff:ffff:ffff:ffff:ffff:ffff`

**为IETF所保留, Reserved by IETF**

- `a000::/3`

`a000::` - `bfff:ffff:ffff:ffff:ffff:ffff:ffff:ffff`

**为IETF所保留, Reserved by IETF**

- `c000::/3`

`c000::` - `dfff:ffff:ffff:ffff:ffff:ffff:ffff:ffff`

**为IETF所保留, Reserved by IETF**

- `e000::/4`

`e000::` - `efff:ffff:ffff:ffff:ffff:ffff:ffff:ffff`

**为IETF所保留, Reserved by IETF**

- `f000::/5`

`f000::` - `f7ff:ffff:ffff:ffff:ffff:ffff:ffff:ffff`

**为IETF所保留, Reserved by IETF**

- `f800::/6`

`f800::` - `fbff:ffff:ffff:ffff:ffff:ffff:ffff:ffff`

**为IETF所保留, Reserved by IETF**

- `fc00::/7`

`fc00::` - `fdff:ffff:ffff:ffff:ffff:ffff:ffff:ffff`

**本地唯一单播地址， Unique Local Unicast Address Space**

- `fe00::/9`

`fe00::` - `fe7f:ffff:ffff:ffff:ffff:ffff:ffff:ffff`

**为IETF所保留, Reserved by IETF**

- `fe80::/10`

`fe80::` - `febf:ffff:ffff:ffff:ffff:ffff:ffff:ffff`

**链路上的单播地址空间， Link Scoped Unicast Address Space**

- `fec0::/10`

`fec0::` - `feff:ffff:ffff:ffff:ffff:ffff:ffff:ffff`

**为IETF所保留, Reserved by IETF**。 [RFC38979](http://www.iana.org/go/rfc3879)中弃用，先前的站点本地范围地址前缀。

- `ff00::/8`

    `ff00::` - `ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff`

    **多播地址空间, Multicast**

    来源: [http://www.iana.org/assignments/ipv6-address-space/ipv6-address-space.xhtml](http://www.iana.org/assignments/ipv6-address-space/ipv6-address-space.xhtml)