A.192.168.9.255 B.192.168.15.255 C.192.168.255.255 D.192.255.255.255
A.8 B.6 C.4 D.2
A.202.101.1.64/26 B.192.19.11.5/23 C.127.0.0.1 D.224.0.0.2