Калькулятор IP подсетей 37.27.80.0-37.27.255.255
37.27.80.0-37.27.95.255
37.27.80.0/20
37.27.96.0-37.27.127.255
37.27.96.0/19
37.27.128.0-37.27.255.255
37.27.128.0/17
