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
Discus Fish 143
GHash.IO 130
Slush 24
Unknown with 1BX5YoL Address 23
Eligius 23
KnCMiner 22
BTC Guild 20
Polmine 19
Unknown with 1AcAj9p Address 18
AntPool 18
Megabigpower 5
P2Pool 4
CloudHashing 4
EclipseMC 2
mmpool 1
Unknown 1
BitMinter 1

Unknown Blocks.

Relayed By count
5.9.59.178 28
162.243.58.26 7
5.9.104.212 6
95.85.58.214 5
88.198.6.235 5
72.196.16.104 3
54.200.24.101 3
5.153.60.162 3
37.187.155.183 3
37.143.86.26 3
68.60.231.97 2
211.149.217.191 2
206.123.112.180 2
194.100.58.197 2
193.187.79.76 2
125.53.5.185 2
107.161.19.101 2
100.42.224.37 2
95.215.45.36 1
90.201.104.114 1
89.184.83.14 1
88.208.33.202 1
87.119.222.193 1
83.150.9.196 1
75.155.254.97 1
74.113.69.9 1
74.102.76.228 1
73.181.192.103 1
72.18.213.82 1
54.86.151.151 1
5.9.38.251 1
5.9.2.145 1
5.231.54.240 1
46.28.206.204 1
46.28.107.35 1
46.159.145.96 1
31.7.57.235 1
208.12.64.254 1
198.46.156.159 1
198.46.152.127 1
194.71.109.94 1
192.95.20.208 1
188.165.236.33 1
185.52.26.34 1
178.63.47.71 1
174.78.248.214 1
174.62.75.38 1
173.32.11.194 1
162.13.142.151 1
149.210.135.58 1
148.251.240.251 1
115.136.81.138 1
109.158.228.246 1
100.0.50.219 1