所有内网(局域网)IP地址段
A类:10段,后三位自由分配,也就是 10.0.0.0 - 10.255.255.255;B类:172.16段,后两位自由分配,也就是 172.16.0.0 - 172.31.255.255;C类:192.168段,后两位自由分配,也就是 192.168.0.0 - 192.168.255.255;
10
10.0.0.0 - 10.255.255.255
172.16
172.16.0.0 - 172.31.255.255
192.168
192.168.0.0 - 192.168.255.255