https://siamining.com/addresses/25865daf640696361b432bd517b812270d8459af48f13876108354ee7e028e0e15c13ab5030c

Looks like someone got an early shipment of Halongs. 450 or so of them are live on this address, all with hashrates around 4TH or so. Can't imagine it's any other miner. Here it comes...

https://siamining.com/stats