Bitcoin Mining Distribution
Block: 256821
09 Sep 2013 

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

         Total Chain 100.00%         157,957

           BTC Guild  28.66%          45,274
            GHash.IO  17.20%          27,164
           SlushPool  10.19%          16,097
               50BTC   9.55%          15,091
           ASICMiner   9.55%          15,091
             Unknown   5.73%           9,054
           EclipseMC   5.10%           8,048
              OzCoin   4.46%           7,042
           BitMinter   1.91%           3,018
             Eligius   1.91%           3,018
              F2Pool   1.91%           3,018
              175btc   1.27%           2,012
                HHTT   1.27%           2,012
          Bitparking   0.64%           1,006
             Polmine   0.64%           1,006