Bitcoin Mining Distribution
Block: 259308
22 Sep 2013 

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

         Total Chain 100.00%         243,846

           BTC Guild  37.04%          90,313
            GHash.IO  23.28%          56,768
               50BTC   7.41%          18,062
             Unknown   7.41%          18,062
           ASICMiner   4.76%          11,611
           SlushPool   4.76%          11,611
           EclipseMC   3.70%           9,031
           BitMinter   3.17%           7,741
             Eligius   3.17%           7,741
              OzCoin   3.17%           7,741
                HHTT   1.06%           2,580
              175btc   0.53%           1,290
              F2Pool   0.53%           1,290