A.174.69.33.0/24 B.174.69.31.0/24 C.174.69.17.0/24 D.174.69.32.0/24
A.10.0.0.0-10.255.255.255 B.172.16.0.0-172.64.255.255 C.192.168.0.0-192.169.255.255 D.以上都是
A.IP地址、子網掩碼、網橋 B.網絡ID、IP地址、子網掩碼 C.主機ID、網橋、網關 D.IP地址、子網掩碼、默認的網關