I don't know, but I posted that address a couple of times earlier. This is how I found it. I figured out that someone was probably cherry-picking the blocks because I knew Hostmaster hadn't closed the exploit and I knew that other coins with the same exploit had been raped. As soon as it was obvious that the pools were having trouble finding the large blocks I looked at the explorer to see what address was getting the high reward blocks. It turned out to be one wallet that was transferring the coins to the wallet that's accumulating the coins. I assume the second wallet is more secure.
ADDED: I just noticed that it was Hostmaster that I was replying to. I have to wonder what it's a big deal when klopper posted the link, but wasn't such a big deal when I did, accompanied by a bunch of exclamation points.
Given what I've been saying, who else but the crook who has been raping the coin could have accumulated so many ECC so fast?
he owns right at 10% of the entire ECC market in existence today.