Question

计算机网络问题

若在C类地址中，子网掩码为255.255.255.240，则每个子网中可用主机数是多少？急求，希望晚上七点给我答案谢谢各位好心的朋友

Answer 1

您要划分的IP地址是：192.168.001.000 是 C 类IP地址
您要划分的子网数量是 14 个，子网掩码是：255.255.255.240
每段子网的网络号是TO前IP的最后一位减1
每段子网的广播地址是TO后IP最后一位加1
1> 192.168.001.1 TO 192.168.001.14
2> 192.168.001.17 TO 192.168.001.30
3> 192.168.001.33 TO 192.168.001.46
4> 192.168.001.49 TO 192.168.001.62
5> 192.168.001.65 TO 192.168.001.78
6> 192.168.001.81 TO 192.168.001.94
7> 192.168.001.97 TO 192.168.001.110
8> 192.168.001.113 TO 192.168.001.126
9> 192.168.001.129 TO 192.168.001.142
10> 192.168.001.145 TO 192.168.001.158
11> 192.168.001.161 TO 192.168.001.174
12> 192.168.001.177 TO 192.168.001.190
13> 192.168.001.193 TO 192.168.001.206
14> 192.168.001.209 TO 192.168.001.222
15> 192.168.001.225 TO 192.168.001.238
16> 192.168.001.241 TO 192.168.001.254

Answer 2

理论上讲每个子网可用的主机数为13个（全0或者全1不可用）

Answer 3

13

Answer 4

怎么有人给13个呀，骂人吗?
14个，3楼解释的很清楚