Калькулятор IP подсетей

212.39.89.0-212.39.89.147

212.39.89.0-212.39.89.127
212.39.89.0/25

212.39.89.128-212.39.89.143
212.39.89.128/28

212.39.89.144-212.39.89.147
212.39.89.144/30