Bitcoin Mining Distribution
Block: 221567
17 Feb 2013 

Hashrate (in Difficulty units per second; 1 Difficulty unit == 4 GiHash):

         Total Chain 100.00%           7,106

           BTC Guild  30.16%           2,143
             Unknown  26.46%           1,880
               50BTC  16.40%           1,165
           SlushPool  11.64%             827
           BitMinter   5.82%             413
           EclipseMC   3.70%             263
              Mt Red   3.70%             263
              OzCoin   1.59%             112
        TripleMining   0.53%              37