Hashrate Distribution An estimation of hashrate distribution amongst the largest mining pools

The graph below shows the market share of the most popular bitcoin mining pools. It should only be used as a rough estimate and for various reasons will not be 100% accurate. A large portion of Unknown blocks does not mean an attack on the network, it simply means we have been unable to determine the origin.

24 hours - 48 hours - 4 Days

Known Blocks.

Relayed By count
GHash.IO 170
Discus Fish 124
BTC Guild 42
Eligius 37
Unknown with 1AcAj9p Address 36
KnCMiner 28
Unknown with 1BX5YoL Address 24
Polmine 19
Slush 17
AntPool 16
CloudHashing 10
EclipseMC 6
BitMinter 6
P2Pool 4

Unknown Blocks.

Relayed By count
178.79.150.19 14
5.9.24.81 13
96.42.162.171 4
212.7.198.151 4
129.186.17.148 4
185.10.58.159 3
173.74.190.127 3
24.97.94.220 2
98.119.74.234 1
97.85.41.83 1
95.85.48.141 1
74.100.61.50 1
67.14.164.115 1
50.116.0.208 1
208.68.174.76 1
198.255.145.7 1
192.210.145.7 1
185.10.58.203 1
184.57.207.90 1
162.218.65.103 1
108.61.192.121 1
100.42.224.37 1