Калькулятор IP подсетей

121.156.62.0-121.156.88.255

121.156.62.0-121.156.63.255
121.156.62.0/23

121.156.64.0-121.156.79.255
121.156.64.0/20

121.156.80.0-121.156.87.255
121.156.80.0/21

121.156.88.0-121.156.88.255
121.156.88.0/24