0:0:0:0:0:0:0:1   !ip6 !whois !ptr !dnstr !tr !scan !g
0:0:0:0:0:0:0:1 is contained in the ::1/128 Special Purpose Address Block.

::1/128 - Loopback Address
::1/128 was allocated on February of 2006

::1/128 may NOT be used as the source address of an IP datagram that transits two devices.

::1/128 may NOT be used as the destination address of an IP datagram that transits two devices.

::1/128 is NOT forwardable.
A router may NOT forward an IP datagram to ::1/128 between external interfaces.

::1/128 is NOT globally reachable
An IP datagram may NOT be forwarded to ::1/128 beyond a specified administrative domain.

The RFC that created ::1/128 requires all compliant IP implementations to behave in a special way when processing packets either to or from addresses contained by ::1/128

[ RFC4291, ^ ]

  
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