Question

计算机网络划分子网的题啊！！！跪求大神帮助！！谢啦

4．(9 points) An organization is granted an IP address211.17.185.0. The network administrator wants to create 32 subnets.
(1) Find out the subnet mask.
(2) Find out the number of hostaddresses in each subnet.
(3) Find out the network address of thefirst subnet.
(4) Find out the first and last hostaddresses in the first subnet.
(5) Find out the subnet directedbroadcast address and limited broadcast address in the first subnet.

Answer 1

（1）255.255.255.248
（2）6
（3）211.17.185.0
（4）first hostaddress：211.17.185.1 last hostaddress：211.17.185.6
（5）directedbroadcast address：211.17.185.7 limited broadcast address：255.255.255.255

追问

能详细讲一下吗？

追答

呵呵，子网掩码这个光靠打字是解释不清楚的。建议楼主自己百度“子网掩码的划分”好好看看，自己理解消化下，就知道是怎么算的。理解之后，随便什么样的子网划分都不在话下了。