15.197.8.0-15.197.15.255
15.197.8.0/21
15.197.16.0-15.197.31.255
15.197.16.0/20
15.197.32.0-15.197.63.255
15.197.32.0/19
15.197.64.0-15.197.127.255
15.197.64.0/18
15.197.128.0-15.197.143.255
15.197.128.0/20
15.197.144.0-15.197.151.255
15.197.144.0/21
15.197.152.0-15.197.153.255
15.197.152.0/23
15.197.154.0-15.197.154.255
15.197.154.0/24