Калькулятор IP подсетей

192.0.72.0-192.0.127.255

192.0.72.0-192.0.79.255
192.0.72.0/21

192.0.80.0-192.0.95.255
192.0.80.0/20

192.0.96.0-192.0.127.255
192.0.96.0/19