54.166.128.0-54.166.143.255 54.166.128.0/20
54.166.144.0-54.166.151.255 54.166.144.0/21
54.166.152.0-54.166.155.255 54.166.152.0/22
54.166.156.0-54.166.156.255 54.166.156.0/24