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
F2Pool 147
AntPool 118
BW.COM 63
BTCChina Pool 43
KnCMiner 32
Slush 26
GHash.IO 11
BTC Guild 11
Bitcoin Affiliate Network 10
Eligius 9
Megabigpower 6
BitMinter 6
P2Pool 5
Solo CKPool 4
Unknown with 1BwZeHJ Address 3
EclipseMC 2
mmpool 1

Unknown Blocks.

Relayed By count
82.221.108.26 7
80.92.188.44 5
45.55.165.166 5
82.221.108.28 3
54.154.44.169 3
212.47.217.129 3
212.126.14.122 3
176.223.201.198 3
66.194.38.254 2
54.67.16.176 2
216.189.147.207 2
185.82.203.112 2
104.200.16.149 2
92.222.110.210 1
82.39.232.210 1
81.187.69.130 1
78.47.230.52 1
77.92.68.221 1
74.192.108.156 1
71.198.234.96 1
67.180.32.175 1
67.162.238.30 1
66.194.38.250 1
66.172.10.4 1
63.223.84.145 1
62.210.124.223 1
54.69.13.36 1
50.31.149.59 1
5.9.87.134 1
5.9.82.10 1
5.61.38.7 1
5.249.152.185 1
45.56.78.126 1
31.146.211.3 1
216.49.158.161 1
213.136.75.205 1
211.149.223.99 1
208.73.20.100 1
192.99.46.190 1
192.210.145.7 1
188.40.96.10 1
188.40.74.85 1
188.226.236.79 1
188.166.18.30 1
188.165.209.148 1
178.254.35.77 1
162.243.132.6 1
138.91.94.19 1