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
Discus Fish 132
GHash.IO 130
BTC Guild 34
Slush 30
Eligius 30
Unknown with 1BX5YoL Address 27
KnCMiner 25
Unknown with 1AcAj9p Address 22
AntPool 19
Polmine 10
P2Pool 5
OzCoin 4
CloudHashing 3
Megabigpower 2
BitMinter 2
mmpool 1
EclipseMC 1

Unknown Blocks.

Relayed By count
138.91.94.19 25
50.116.50.183 10
198.61.223.26 7
148.251.240.251 7
178.63.96.19 5
178.21.112.84 4
5.39.81.159 3
5.196.40.37 3
46.28.204.123 3
211.149.208.118 3
148.251.40.242 3
144.76.176.12 3
109.196.191.169 3
91.205.173.79 2
79.146.205.242 2
23.102.32.52 2
208.12.64.240 2
121.201.8.114 2
115.29.178.116 2
98.118.40.165 1
92.222.24.205 1
86.2.29.152 1
84.210.18.29 1
83.177.181.79 1
81.169.165.207 1
80.108.143.19 1
78.47.79.173 1
75.140.54.42 1
74.82.244.100 1
72.14.187.51 1
71.165.28.152 1
68.4.230.215 1
68.206.201.98 1
62.31.197.165 1
54.200.24.101 1
5.9.24.81 1
5.9.104.3 1
37.59.0.38 1
212.126.14.122 1
206.123.112.180 1
195.169.227.77 1
195.110.9.232 1
193.95.206.44 1
188.254.76.24 1
162.243.58.26 1
158.85.73.4 1
143.225.28.85 1
139.19.131.11 1
107.170.67.24 1
100.34.81.69 1