code: func (r Network_ContentDelivery_Account) GetAuthenticationIpAddresses() (resp []datatypes.Network_ContentDelivery_Authentication_Address, err error) {
  	err = r.Session.DoRequest("SoftLayer_Network_ContentDelivery_Account", "getAuthenticationIpAddresses", nil, &r.Options, &resp)
  	return
  }
docs: // Retrieve The IP addresses that are used for the content authentication service.