Калькулятор IP подсетей

210.75.18.0-210.75.31.255

210.75.18.0-210.75.19.255
210.75.18.0/23

210.75.20.0-210.75.23.255
210.75.20.0/22

210.75.24.0-210.75.31.255
210.75.24.0/21