Калькулятор IP подсетей

104.21.16.0-104.21.45.255

104.21.16.0-104.21.31.255
104.21.16.0/20

104.21.32.0-104.21.39.255
104.21.32.0/21

104.21.40.0-104.21.43.255
104.21.40.0/22

104.21.44.0-104.21.45.255
104.21.44.0/23