Sub Netmask blok ip address Local kelas C

255.255.255.0 = 24 -> 254 mesin

.. .128 = 25 -> 128 mesin

.. .192 = 26 -> 64 mesin

.. .224 = 27 -> 32 mesin

.. .240 = 28 -> 16 mesin

.. .248 = 29 -> 8 mesin

.. .252 = 30 -> 4 mesin

.. .254 = 31 -> 2 mesin

.. .255 = 32 -> 1 mesin