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 163
GHash.IO 128
Eligius 31
BTC Guild 25
Unknown with 1BX5YoL Address 22
Unknown with 1AcAj9p Address 20
Slush 18
KnCMiner 16
Polmine 10
P2Pool 10
Unknown with 1BwZeHJ Address 7
BitMinter 5
AntPool 5
CloudHashing 4
Megabigpower 2
EclipseMC 1

Unknown Blocks.

Relayed By count
82.211.31.230 11
104.131.141.82 8
78.47.61.83 7
95.211.125.231 5
213.136.73.125 5
211.149.216.186 4
212.7.198.151 3
198.58.112.203 3
162.243.151.92 3
80.84.55.2 2
78.140.142.166 2
74.102.76.228 2
68.103.86.253 2
59.126.51.247 2
54.209.56.58 2
203.195.153.17 2
178.32.218.78 2
158.58.173.48 2
98.195.209.246 1
91.121.26.117 1
91.105.18.43 1
89.238.64.139 1
85.10.202.165 1
85.1.198.2 1
83.83.6.245 1
83.150.9.196 1
81.23.191.243 1
76.101.110.3 1
74.113.69.4 1
73.183.10.222 1
73.164.241.203 1
71.88.247.15 1
71.162.128.38 1
69.70.125.18 1
66.232.104.157 1
66.172.12.182 1
62.210.82.106 1
62.210.141.146 1
54.75.250.83 1
54.68.254.19 1
54.172.123.206 1
54.172.110.117 1
50.7.61.106 1
50.53.71.215 1
5.35.251.225 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
208.12.64.252 1
202.109.210.19 1
192.71.151.84 1
192.241.230.87 1
192.203.228.71 1
188.40.74.85 1
188.163.194.78 1
188.138.33.239 1
185.45.192.129 1
178.62.194.15 1
168.62.208.52 1
162.248.102.117 1
148.251.240.251 1
115.29.178.116 1
108.59.9.167 1
104.200.21.142 1
101.251.203.6 1