Калькулятор IP подсетей

64.157.40.0-64.157.56.255

64.157.40.0-64.157.47.255
64.157.40.0/21

64.157.48.0-64.157.55.255
64.157.48.0/21

64.157.56.0-64.157.56.255
64.157.56.0/24