A.10.0.0.1 B.172.0.0.1 C.126.0.0.1 D.110.0.0.1
A.WindowsNT B.WindowsMobile C.WindowsXP D.WindowsMe
A.(10011010010.1)2 B.(103032.2)4 C.(2322.4)8 D.(4D2.8)16