网络地址192.168.2.0,划分6个子网,需要借几个主机位?子网掩码多少?

2024-11-23 08:13:02
推荐回答(1个)
回答1:

6个子网,所以至少借用3个主机位,因为2的2此方=4不够,2的3次方=8够。子网掩码为255.255.255.224。

可以划分8个子网 掩码是 255.255.224.0

139.21.0.0-139.21.31.255【未减去网络地址和主机地址】

139.21.32.0-139.21.63.255

139.21.64.0-139.21.95.255

139.21.96.0-139.21.127.255

139.21.128.0-139.21.159.255

139.21.160.0-139.21.191.255

139.21.192.0-139.21.223.255

139.21.224.0-139.21.255.255