Калькулятор IP подсетей

1.33.168.0-1.33.181.255

1.33.168.0-1.33.175.255
1.33.168.0/21

1.33.176.0-1.33.179.255
1.33.176.0/22

1.33.180.0-1.33.181.255
1.33.180.0/23