Калькулятор IP подсетей

37.140.128.0-37.140.153.255

37.140.128.0-37.140.143.255
37.140.128.0/20

37.140.144.0-37.140.151.255
37.140.144.0/21

37.140.152.0-37.140.153.255
37.140.152.0/23