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 74
AntPool 58
BW.COM 28
BTCChina Pool 28
KnCMiner 18
Slush 11
Bitcoin Affiliate Network 7
GHash.IO 6
Eligius 6
BTC Guild 5
BitMinter 4
Unknown with 1BwZeHJ Address 2
Solo CKPool 2
P2Pool 2
Megabigpower 2
mmpool 1
EclipseMC 1

Unknown Blocks.

Relayed By count
80.92.188.44 4
45.55.165.166 4
82.221.108.26 3
82.221.108.28 2
185.82.203.112 2
92.222.110.210 1
82.39.232.210 1
74.192.108.156 1
71.198.234.96 1
67.180.32.175 1
54.69.13.36 1
54.67.16.176 1
54.154.44.169 1
50.31.149.59 1
5.61.38.7 1
216.189.147.207 1
213.136.75.205 1
212.47.217.129 1
212.126.14.122 1
211.149.223.99 1
208.73.20.100 1
192.99.46.190 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