Калькулятор IP подсетей

18.239.236.0-18.239.249.255

18.239.236.0-18.239.239.255
18.239.236.0/22

18.239.240.0-18.239.247.255
18.239.240.0/21

18.239.248.0-18.239.249.255
18.239.248.0/23