Калькулятор IP подсетей

81.17.244.0-81.17.252.255

81.17.244.0-81.17.247.255
81.17.244.0/22

81.17.248.0-81.17.251.255
81.17.248.0/22

81.17.252.0-81.17.252.255
81.17.252.0/24