Калькулятор IP подсетей

78.142.50.0-78.142.63.255

78.142.50.0-78.142.51.255
78.142.50.0/23

78.142.52.0-78.142.55.255
78.142.52.0/22

78.142.56.0-78.142.63.255
78.142.56.0/21