Mascara Mascara (binario) CIDR Notas
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255.255.255.255 11111111.11111111.11111111.11111111 /32 Host (Dir. Unica)
255.255.255.254 11111111.11111111.11111111.11111110 /31 No se puede usar
255.255.255.252 11111111.11111111.11111111.11111100 /30 2 usables
255.255.255.248 11111111.11111111.11111111.11111000 /29 6 usables
255.255.255.240 11111111.11111111.11111111.11110000 /28 14 usables
255.255.255.224 11111111.11111111.11111111.11100000 /27 30 usables
255.255.255.192 11111111.11111111.11111111.11000000 /26 62 usables
255.255.255.128 11111111.11111111.11111111.10000000 /25 126 usables
255.255.255.0 11111111.11111111.11111111.00000000 /24 "Clase C" 254 usables
255.255.254.0 11111111.11111111.11111110.00000000 /23 2 Clases C
255.255.252.0 11111111.11111111.11111100.00000000 /22 4 Clases C
255.255.248.0 11111111.11111111.11111000.00000000 /21 8 Clases C
255.255.240.0 11111111.11111111.11110000.00000000 /20 16 Clases C
255.255.224.0 11111111.11111111.11100000.00000000 /19 32 Clases C
255.255.192.0 11111111.11111111.11000000.00000000 /18 64 Clases C
255.255.128.0 11111111.11111111.10000000.00000000 /17 128 Clases C
255.255.0.0 11111111.11111111.00000000.00000000 /16 "Clase B"
255.254.0.0 11111111.11111110.00000000.00000000 /15 2 Clases B
255.252.0.0 11111111.11111100.00000000.00000000 /14 4 Clases B
255.248.0.0 11111111.11111000.00000000.00000000 /13 8 Clases B
255.240.0.0 11111111.11110000.00000000.00000000 /12 16 Clases B
255.224.0.0 11111111.11100000.00000000.00000000 /11 32 Clases B
255.192.0.0 11111111.11000000.00000000.00000000 /10 64 Clases B
255.128.0.0 11111111.10000000.00000000.00000000 /9 128 Clases B
255.0.0.0 11111111.00000000.00000000.00000000 /8 "Clase A"
254.0.0.0 11111110.00000000.00000000.00000000 /7
252.0.0.0 11111100.00000000.00000000.00000000 /6
248.0.0.0 11111000.00000000.00000000.00000000 /5
240.0.0.0 11110000.00000000.00000000.00000000 /4
224.0.0.0 11100000.00000000.00000000.00000000 /3
192.0.0.0 11000000.00000000.00000000.00000000 /2
128.0.0.0 10000000.00000000.00000000.00000000 /1
0.0.0.0 00000000.00000000.00000000.00000000 /0 Espacio total IP
