Калькулятор IP подсетей

154.91.64.0-154.91.90.255

154.91.64.0-154.91.79.255
154.91.64.0/20

154.91.80.0-154.91.87.255
154.91.80.0/21

154.91.88.0-154.91.89.255
154.91.88.0/23

154.91.90.0-154.91.90.255
154.91.90.0/24