3.121.124.0-3.121.127.255
3.121.124.0/22
3.121.128.0-3.121.255.255
3.121.128.0/17
3.122.0.0-3.122.31.255
3.122.0.0/19
3.122.32.0-3.122.47.255
3.122.32.0/20
3.122.48.0-3.122.55.255
3.122.48.0/21
3.122.56.0-3.122.59.255
3.122.56.0/22
3.122.60.0-3.122.61.255
3.122.60.0/23
3.122.62.0-3.122.62.255
3.122.62.0/24