Калькулятор IP подсетей

128.140.165.0-128.140.175.255

128.140.165.0-128.140.165.255
128.140.165.0/24

128.140.166.0-128.140.167.255
128.140.166.0/23

128.140.168.0-128.140.175.255
128.140.168.0/21