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
AntPool 117
F2Pool 104
BitFury 85
BTCChina Pool 66
BW.COM 47
21 Inc. 26
Eligius 24
Slush 19
KnCMiner 17
GHash.IO 12
BitMinter 8
Telco 214 6
BitClub Network 4
Solo CKPool 3
Kano CKPool 3
8baochi 3
P2Pool 2
EclipseMC 2
Bitcoin Affiliate Network 2

Unknown Blocks.

Relayed By count
66.194.38.254 5
179.43.143.120 3
78.46.97.16 2
37.187.140.170 2
212.126.14.122 2
198.50.231.84 2
176.9.0.19 2
96.255.128.228 1
78.84.100.95 1
52.28.127.244 1
45.55.78.188 1
213.136.86.231 1
212.83.51.80 1
212.83.191.29 1
195.58.169.87 1
195.154.164.46 1
188.165.216.59 1
176.223.201.198 1
136.243.17.66 1
109.70.4.168 1
104.236.248.241 1