3.20.132.0-3.20.135.255
3.20.132.0/22
3.20.136.0-3.20.143.255
3.20.136.0/21
3.20.144.0-3.20.159.255
3.20.144.0/20
3.20.160.0-3.20.191.255
3.20.160.0/19
3.20.192.0-3.20.255.255
3.20.192.0/18
3.22.0.0-3.22.127.255
3.22.0.0/17
3.22.128.0-3.22.143.255
3.22.128.0/20
3.22.144.0-3.22.151.255
3.22.144.0/21
3.22.152.0-3.22.155.255
3.22.152.0/22
3.22.156.0-3.22.156.255
3.22.156.0/24
3.21.0.0-3.21.255.255
3.21.0.0/16