Калькулятор IP подсетей

129.67.240.0-129.67.253.255

129.67.240.0-129.67.247.255
129.67.240.0/21

129.67.248.0-129.67.251.255
129.67.248.0/22

129.67.252.0-129.67.253.255
129.67.252.0/23