Калькулятор IP подсетей

173.255.48.0-173.255.58.255

173.255.48.0-173.255.55.255
173.255.48.0/21

173.255.56.0-173.255.57.255
173.255.56.0/23

173.255.58.0-173.255.58.255
173.255.58.0/24