Калькулятор IP подсетей

3.17.216.0-3.18.64.255

3.17.216.0-3.17.223.255
3.17.216.0/21

3.17.224.0-3.17.255.255
3.17.224.0/19

3.18.0.0-3.18.63.255
3.18.0.0/18

3.18.64.0-3.18.64.255
3.18.64.0/24