2001:0DB8:AC10:FE01:0000:0000:0000:0020
Network Prefix
Subnet ID
Interface ID
0001
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0010
0000
0000
1110
1111
0001
0000
1110
1111
1011
1101
0000
0001
0000
0000
0010
1000
128 Bits, Expressed in Hex (Hexadecimal) with 3 parts
This is the usual breakdown but it can be broken down in other ways