A.112.11.0.0 B.112.11.255.255 C.112.255.255.255 D.112.1.1.1
A.192.168.0.0 B.192.168.23.32 C.192.168.0.96 D.192.168.23.96
A.10.10.13.0 B.10.10.0.0 C.10.13.15 D.10.0.0.0