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 55
AntPool 55
BTCChina Pool 37
BitFury 34
BW.COM 26
Slush 13
Eligius 11
21 Inc. 10
KnCMiner 9
Telco 214 5
BitMinter 5
GHash.IO 4
BitClub Network 3
P2Pool 2
EclipseMC 2
Kano CKPool 1
Bitcoin Affiliate Network 1
8baochi 1

Unknown Blocks.

Relayed By count
66.194.38.254 3
37.187.140.170 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
212.126.14.122 1
198.50.231.84 1
195.154.164.46 1
188.165.216.59 1
179.43.143.120 1
176.223.201.198 1
136.243.17.66 1
109.70.4.168 1
104.236.248.241 1