IPv4 Addresses and IPv6 Equivalents
To summarize the relationships between IPv4 addressing and IPv6 addressing, Table 3-8 lists both IPv4 addresses and addressing concepts and their IPv6 equivalents.
Table 3-8. IPv4 Addressing Concepts and Their IPv6 Equivalents
| IPv4 Address | IPv6 Address |
|---|---|
Internet address classes | Not applicable in IPv6 |
Multicast addresses (224.0.0.0/4) | IPv6 multicast addresses (FF00::/8) |
Broadcast addresses | Not applicable in IPv6 |
Unspecified address is 0.0.0.0 | Unspecified address is :: |
Loopback address is 127.0.0.1 | Loopback address is ::1 |
Public IP addresses | Aggregatable global unicast addresses |
Private IP addresses (10.0.0.0/8, | Site-local addresses (FEC0::/48) 172.16.0.0/12, and 192.168.0.0/16) |
APIPA addresses (169.254.0.0/16) | Link-local addresses (FE80::/64) |
Text representation: Dotted decimal notation | Text representation: Colon hexadecimal format with suppression of leading zeros and zero compression. IPv4-compatible addresses are expressed in dotted decimal notation. |
Network bits representation: Subnet mask in dotted decimal notation or prefix length | Network bits representation: Prefix length notation only |
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