Bits

/32

/31

/30

/29

/28

/27

/26

/25

/24

Decimal

.255

.254

.252

.248

.240

.224

.192

.128

.0

User IP's

none

none

2

6

14

30

62

126

254

Hexadecimal

FF.FF.FF.FF

FF.FF.FF.F?

FF.FF.FF.FC

FF.FF.FF.F8

FF.FF.FF.F0

FF.FF.FF.E0

FF.FF.FF.C0

FF.FF.FF.??

FF.FF.FF.00

Binary

11111111

11111110

11111100

11111000

11110000

11100000

11000000

10000000

00000000

Legal Network Addresses

None

None

0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, 64, 68, 72, 76, 80, 84, 88, 92, 96, 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140, 144, 148, 152, 156, 160, 164, 168, 172, 176, 180, 184, 188, 192, 196, 200, 204, 208, 212, 216, 220, 224, 228, 232, 236, 240, 244, 248, 252

0, 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 88, 96, 104, 112, 120, 128, 136, 144, 152, 160, 168, 176, 184, 192, 200, 208, 216, 224, 232, 240, 248,

0, 16, 32, 48, 64, 80, 96, 112, 128, 144, 160, 176, 192, 208, 224, 240

0, 32, 64, 96, 128, 160, 192, 224

0, 64, 128, 192

0, 128

0


255.255.255.255 = /32 -
255.255.255.254 = /31 -
255.255.255.252 = /30 -   
255.255.255.248 = /29 -  
255.255.255.240 = /28 -  
255.255.255.224 = /27 -  
255.255.255.192 = /26 - 
255.255.255.128 = /25 -
255.255.255.0   = /24 -               -	Full Class C


255.255.254.0   = /23 -   2 Class C's
255.255.252.0   = /22 -   4 Class C's
255.255.248.0   = /21 -   8 Class C's
255.255.240.0   = /20 -  16 Class C's
255.255.224.0   = /19 -  32 Class C's
255.255.192.0   = /18 -  64 Class C's
255.255.128.0   = /17 - 128 Class C's
255.255.0.0     = /16 - 256 Class C's - Full Class B


255.254.0.0     = /15 -   2 Class B's
255.252.0.0     = /14 -   4 Class B's
255.248.0.0     = /13 -   8 Class B's
255.240.0.0     = /12 -  16 Class B's
255.224.0.0     = /11 -  32 Class B's
255.192.0.0     = /10 -  64 Class B's
255.128.0.0     = /9  - 128 Class B's
255.0.0.0       = /8  - 256 Class B's - Full Class A