Classless Notation
Addresses
Prefix
Classful
Net Mask
...
...
...
...
8
/29
255.255.255.248
16
/28
255.255.255.240
32
/27
255.255.255.224
64
/26
255.255.255.192
128
/25
255.255.255.128
256
/24
1 C
255.255.255.0
...
...
...
...
4096
/20
16 C’s
255.255.240.0
8192
/19
32 C’s
255.255.224
16384
32768
65536
/18
/17
/16
64 C’s
128 C’s
1 B
255.255.192
255.255.128
255.255.0.0
...
...
...
...
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