5.18.202.0-5.18.203.255 5.18.202.0/23
5.18.204.0-5.18.207.255 5.18.204.0/22
5.18.208.0-5.18.211.255 5.18.208.0/22
5.18.212.0-5.18.213.255 5.18.212.0/23