.
A unique identifier for a computer
A unique location identifier
A network location identifier
2
16
8
255.255.255.0
255.255.255.255
255.0.0.0
255.255.0.0
2 power 16 - 2
2 power 32 - 2
2 power 16
2 power 24
8
4
2
1
A
B
C
D
A
B
C
D
E
A
B
C
D
E
A
B
C
D
E
A
B
C
D
E
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