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 125
AntPool 102
BW.COM 65
BTCChina Pool 47
KnCMiner 27
Slush 16
BTC Guild 16
GHash.IO 15
Eligius 10
Unknown with 1BwZeHJ Address 8
P2Pool 5
Bitcoin Affiliate Network 5
Solo CKPool 4
mmpool 3
BitMinter 3
Megabigpower 2
Kano CKPool 2
EclipseMC 1

Unknown Blocks.

Relayed By count
45.55.165.166 12
82.221.108.29 9
82.221.108.21 5
66.194.38.254 5
85.11.15.92 4
31.146.211.4 4
66.194.38.253 3
178.62.211.162 3
176.9.126.177 3
82.221.108.28 2
67.180.32.175 2
66.194.38.250 2
54.67.16.176 2
5.153.60.162 2
212.47.217.129 2
192.99.46.190 2
188.40.71.200 2
176.31.255.135 2
176.223.201.198 2
148.251.67.228 2
144.76.136.19 2
138.91.94.19 2
108.61.170.244 2
92.222.110.210 1
91.210.172.108 1
91.121.210.135 1
91.121.106.136 1
83.136.196.65 1
83.128.29.231 1
81.230.10.247 1
66.85.187.130 1
63.135.62.197 1
54.69.13.36 1
52.28.79.222 1
5.79.71.205 1
45.33.85.58 1
31.186.87.46 1
216.49.158.161 1
216.189.147.207 1
213.133.108.178 1
212.71.247.95 1
212.51.159.248 1
194.135.95.227 1
193.95.206.44 1
193.46.83.17 1
192.95.30.153 1
178.79.179.49 1
162.243.202.51 1
162.243.132.58 1
158.85.83.84 1
149.210.162.187 1
146.185.253.141 1
144.76.62.34 1
108.51.35.105 1
104.238.130.182 1
104.230.76.55 1