A.172.17.17.255/23 B.172.17.16.255/23 C.172.17.17.255/22 D.172.17.31.255/22
A.15 B.31 C.62 D.127
A.212.31.136.0/21 B.212.31.136.0/20 C.212.31.136.0/22 D.212.31.128.0/21