Bitcoin Mining Distribution
Block: 222268
21 Feb 2013 

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

         Total Chain 100.00%           8,072

           BTC Guild  30.57%           2,467
             Unknown  27.98%           2,258
               50BTC  17.10%           1,380
              OzCoin   7.25%             585
           SlushPool   7.25%             585
           EclipseMC   4.66%             376
           BitMinter   3.63%             292
              MaxBTC   1.04%              83
             CoinLab   0.52%              41