Your data is being downloaded from the following servers. If you want to set up IP filtering, add all these IP addresses into your whitelist.
178.77.214.143
178.77.214.144
178.77.214.145
178.77.214.153
178.77.214.156
178.77.214.157
178.77.214.162
178.77.214.159
178.77.214.160
178.77.214.161