Калькулятор IP подсетей

216.70.80.0-216.70.119.255

216.70.80.0-216.70.95.255
216.70.80.0/20

216.70.96.0-216.70.111.255
216.70.96.0/20

216.70.112.0-216.70.119.255
216.70.112.0/21