Калькулятор IP подсетей

54.205.30.0-54.205.40.255

54.205.30.0-54.205.31.255
54.205.30.0/23

54.205.32.0-54.205.39.255
54.205.32.0/21

54.205.40.0-54.205.40.255
54.205.40.0/24