Калькулятор IP подсетей

65.9.72.0-65.9.88.255

65.9.72.0-65.9.79.255
65.9.72.0/21

65.9.80.0-65.9.87.255
65.9.80.0/21

65.9.88.0-65.9.88.255
65.9.88.0/24