Калькулятор IP подсетей 40.80.112.0-40.80.167.255
40.80.112.0-40.80.127.255
40.80.112.0/20
40.80.128.0-40.80.159.255
40.80.128.0/19
40.80.160.0-40.80.167.255
40.80.160.0/21
