您要劃分的子網數量是 8個,子網掩碼是:255.255.255.224
每段子網的網絡號是TO前IP的最後壹位減1
每段子網的廣播地址是TO後IP最後壹位加+1
每段子網的可用的主機地址為30個
1> 192.168.2.1 TO 192.168.2.30
2> 192.168.2.33 TO 192.168.2.62
3> 192.168.2.65 TO 192.168.2.94
4> 192.168.2.97 TO 192.168.2.126
5> 192.168.2.129 TO 192.168.2.158
6> 192.168.2.161 TO 192.168.2.190
7> 192.168.2.193 TO 192.168.2.222
8> 192.168.2.225 TO 192.168.2.254