Curso de Preparación para el Examen de CCNA 200-120 | Page 44
Split the box in half and you get two
subnets with 128 addresses,
0
128
/25
255.255.255.128
128 Hosts
2 Subnets
Divide the box into quarters and you
get four subnets with 64 addresses,
255
127
0
128
63
/26
255.255.255.192
64 Hosts
4 Subnets
Split each individual square and you
get eight subnets with 32 addresses,
64
192
127
0
32
31
64
/27
255.255.255.224
32 Hosts
8 Subnets
2
191
128
63
96
95
255
160
159
192
127
191
224
223
255