21.31.133.0-21.31.133.255
21.31.133.0/24
21.31.134.0-21.31.135.255
21.31.134.0/23
21.31.136.0-21.31.143.255
21.31.136.0/21
21.31.144.0-21.31.159.255
21.31.144.0/20
21.31.160.0-21.31.191.255
21.31.160.0/19
21.31.192.0-21.31.255.255
21.31.192.0/18
21.32.0.0-21.63.255.255
21.32.0.0/11
21.64.0.0-21.127.255.255
21.64.0.0/10
21.128.0.0-21.255.255.255
21.128.0.0/9
22.0.0.0-22.255.255.255
22.0.0.0/8