Калькулятор IP подсетей

212.15.117.0-212.15.127.255

212.15.117.0-212.15.117.255
212.15.117.0/24

212.15.118.0-212.15.119.255
212.15.118.0/23

212.15.120.0-212.15.127.255
212.15.120.0/21