This CIDR range reference a lot of IP's - be cautious about using this, in a security context.
lower IP
2001:4540::
upper IP
2001:455f:ffff:ffff:ffff:ffff:ffff:ffff
subnet
ffff:ffe0::
broadcast
2001:455f:ffff:ffff:ffff:ffff:ffff:ffff
count
2,5E+30
byte no:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
bit no:
1-8
9-16
17-24
25-32
33-40
41-48
49-56
57-64
65-72
73-80
81-88
89-96
97-104
105-112
113-120
121-128
value:
20
01
45
40
00
00
00
00
00
00
00
00
00
00
00
00
bit pattern:
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
0
0
0
1
0
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
prefix:
/27
Log
Parseing '2001:4540::/27' into 2,5E+30 IP's
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