IP Address Shortcuts: IPv4 versus IPv6

The Table below summarizes IP address shortcut conventions for IPv4 and IPv6.

IPv4 and IPv6 Reserved IP Address Values
Reserved Meaning IPv4 Value IPv6 Value
localhost 127.0.0.1 ::1
Any address Any interface 0.0.0.0 ::
Tunneling IPv4/IPv6 Not Applicable fe80::5efe:<IPv4addr>where <IPv4addr> is the IPv4 address, as in: fe80::5efe:192.168.1.2


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