| IPv6 address | IPv4 equivalent | Scope | Purpose |
|---|---|---|---|
| ff00::/16-ff0f::/16 | Reserved | ||
| ffx1::/16 | 127.0.0.0/8 | Interface-local | Packets with this destination address may not be sent over any network link, but must remain within the current node; this is the multicast equivalent of the unicast loopback address. |
| ffx2::/16 | 224.0.0.0/24 | Link-local | Packets with this destination address may not be routed anywhere. |
| ffx3::/16 | 239.255.0.0/16 | IPv4 local scope | |
| ffx4::/16 | Admin-local | The smallest scope that must be administratively configured. | |
| ffx5::/16 | Site-local | Restricted to the local physical network. | |
| ffx8::/16 | 239.192.0.0/14 | Organization-local | Restricted to networks used by the organization administering the local network. (For example, these addresses might be used over VPNs; when packets for this group are routed over the public internet (where these addresses are not valid), they would have to be encapsulated in some other protocol.) |
| ffxe::/16 | 224.0.1.0-238.255.255.255 | Global scope | Eligible to be routed over the public internet. |
Tuesday, 5 June 2018
Address Scope
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