Калькулятор IP подсетей

54.38.240.0-54.38.250.255

54.38.240.0-54.38.247.255
54.38.240.0/21

54.38.248.0-54.38.249.255
54.38.248.0/23

54.38.250.0-54.38.250.255
54.38.250.0/24