Калькулятор IP подсетей

121.37.0.0-121.37.52.255

121.37.0.0-121.37.31.255
121.37.0.0/19

121.37.32.0-121.37.47.255
121.37.32.0/20

121.37.48.0-121.37.51.255
121.37.48.0/22

121.37.52.0-121.37.52.255
121.37.52.0/24