Калькулятор IP подсетей

23.20.112.0-23.20.122.255

23.20.112.0-23.20.119.255
23.20.112.0/21

23.20.120.0-23.20.121.255
23.20.120.0/23

23.20.122.0-23.20.122.255
23.20.122.0/24