0000:0000:0000:0000:0000:0000:0000:0001
::1
0000:0000:0000:0000:0000:0000:0000:0000
::
0:0:0:0:0:ffff:a.b.c.d/96
::ffff:a.b.c.d/96
::ffff:1.2.3.4
0:0:0:0:0:0:a.b.c.d/96
::a.b.c.d/96