Калькулятор IP подсетей

63.247.64.0-63.247.78.255

63.247.64.0-63.247.71.255
63.247.64.0/21

63.247.72.0-63.247.75.255
63.247.72.0/22

63.247.76.0-63.247.77.255
63.247.76.0/23

63.247.78.0-63.247.78.255
63.247.78.0/24