Калькулятор IP подсетей

54.89.63.0-54.89.75.255

54.89.63.0-54.89.63.255
54.89.63.0/24

54.89.64.0-54.89.71.255
54.89.64.0/21

54.89.72.0-54.89.75.255
54.89.72.0/22