A.network193.22.56.0 255.255.255.192
B.network193.22.56.0 0.0.0.255
C.network193.22.56.0 255.255.255.192network193.22.56.64 255.255.255.192network193.22.56.128 255.255.255.192network193.22.56.192 255.255.255.192
D.network193.22.56.0