Калькулятор IP подсетей

64.250.64.0-64.250.77.255

64.250.64.0-64.250.71.255
64.250.64.0/21

64.250.72.0-64.250.75.255
64.250.72.0/22

64.250.76.0-64.250.77.255
64.250.76.0/23