子网掩码计算器，网络常用工具，非常方便

子网, 有效的主机, 广播地址 192.168.32.0 , 192.168.32.1 到 192.168.39.254 , 192.168.39.255 192.168.40.0 , 192.168.40.1 到 192.168.47.254 , 192.168.47.255 192.168.48.0 , 192.168.48.1 到 192.168.55.254 , 192.168.55.255 192.168.56.0 , 192.168.56.1 到 192.168.63.254 , 192.168.63.255 192.168.64.0 , 192.168.64.1 到 192.168.71.254 , 192.168.71.255 192.168.72.0 , 192.168.72.1 到 192.168.79.254 , 192.168.79.255 192.168.80.0 , 192.168.80.1 到 192.168.87.254 , 192.168.87.255 192.168.88.0 , 192.168.88.1 到 192.168.95.254 , 192.168.95.255 192.168.96.0 , 192.168.96.1 到 192.168.103.254 , 192.168.103.255 192.168.104.0 , 192.168.104.1 到 192.168.111.254 , 192.168.111.255 192.168.112.0 , 192.168.112.1 到 192.168.119.254 , 192.168.119.255 192.168.120.0 , 192.168.120.1 到 192.168.127.254 , 192.168.127.255 192.168.128.0 , 192.168.128.1 到 192.168.135.254 , 192.168.135.255 192.168.136.0 , 192.168.136.1 到 192.168.143.254 , 192.168.143.255 192.168.144.0 , 192.168.144.1 到 192.168.151.254 , 192.168.151.255 192.168.152.0 , 192.168.152.1 到 192.168.159.254 , 192.168.159.255 192.168.160.0 , 192.168.160.1 到 192.168.167.254 , 192.168.167.255 192.168.168.0 , 192.168.168.1 到 192.168.175.254 , 192.168.175.255 192.168.176.0 , 192.168.176.1 到 192.168.183.254 , 192.168.183.255 192.168.184.0 , 192.168.184.1 到 192.168.191.254 , 192.168.191.255