13.107.245.0-13.107.245.255 13.107.245.0/24
13.107.246.0-13.107.247.255 13.107.246.0/23
13.107.248.0-13.107.251.255 13.107.248.0/22
13.107.252.0-13.107.252.255 13.107.252.0/24