IPv6 Prefix Chart
Prefix
/48s
/56s
/64s
Bits
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
16 M
8M
4M
2M
1M
512 K
256 K
128 K
64 K
32 K
16 K
8K
4K
2K
1K
512
256
128
64
32
16
8
4
2
1
4G
2G
1G
512 M
256 M
128 M
64 M
32 M
16 M
8M
4M
2M
1M
512 K
256 K
128 K
64 K
32 K
16 K
8K
4K
2K
1K
512
256
128
64
32
16
8
4
2
1
1T
512 G
256 G
128 G
64 G
32 G
16 G
8G
4G
2G
1G
512 M
256 M
128 M
64 M
32 M
16 M
8M
4M
2M
1M
512 K
256 K
128 K
64 K
32 K
16 K
8K
4K
2K
1K
512
256
128
64
32
16
8
4
2
1
104
103
102
101
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
K=
M=
G=
T=
1,024
1,048,576
1,073,741,824
1,099,511,627,776
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