Managing anonymous network connections. In one aspect managing anonymous network connections by providing anonymous authentication credentials to a plurality of devices in a hierarchical network, registering a first set of devices at a first data aggregator, determining that the first set of devices at the first aggregator numbers less than a first threshold value, registering the first set of devices with a second aggregator upstream in the hierarchy from the first aggregator, causing data from the first set of devices to be received at the second aggregator.