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 160
GHash.IO 150
Eligius 32
BTC Guild 27
Unknown with 1BX5YoL Address 21
Unknown with 1AcAj9p Address 19
Polmine 14
KnCMiner 14
Slush 12
P2Pool 8
Unknown with 1BwZeHJ Address 7
BitMinter 6
AntPool 6
CloudHashing 5
Megabigpower 3
EclipseMC 3

Unknown Blocks.

Relayed By count
82.211.31.230 12
211.149.216.186 7
178.32.218.78 6
54.209.56.58 5
104.131.141.82 5
95.211.125.231 4
78.47.61.83 4
213.136.73.125 3
212.7.198.151 3
198.58.112.203 3
188.165.204.56 3
96.126.123.159 2
68.103.86.253 2
54.75.250.83 2
178.62.194.15 2
162.243.151.92 2
148.251.83.196 2
115.29.178.116 2
101.251.203.6 2
91.105.18.43 1
89.238.64.139 1
85.10.202.165 1
85.1.198.2 1
83.86.118.159 1
83.83.6.245 1
81.23.191.243 1
81.200.144.8 1
78.140.142.166 1
76.101.110.3 1
74.113.69.4 1
73.50.153.211 1
73.183.10.222 1
73.164.241.203 1
71.88.247.15 1
71.162.128.38 1
68.71.52.187 1
66.232.104.157 1
66.172.12.182 1
62.97.246.122 1
62.210.141.146 1
54.246.85.246 1
54.172.110.117 1
50.53.71.215 1
46.166.161.103 1
37.187.155.160 1
24.20.36.220 1
24.15.13.38 1
217.76.121.251 1
217.69.224.209 1
208.68.174.76 1
203.195.153.17 1
198.245.51.94 1
192.34.115.76 1
192.203.228.71 1
188.40.74.85 1
188.163.194.78 1
175.126.100.232 1
174.96.190.255 1
168.62.208.52 1
162.248.102.117 1
104.200.21.142 1