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 125
GHash.IO 89
AntPool 43
KnCMiner 40
BTC Guild 28
Eligius 21
Unknown with 1AcAj9p Address 17
Slush 14
Cointerra 11
Polmine 7
P2Pool 7
Unknown with 1BwZeHJ Address 4
MegaBigPower 4
CloudHashing 4
Megabigpower 3
Bitcoin Affiliate Network 3
BitMinter 1

Unknown Blocks.

Relayed By count
54.165.122.186 19
173.254.235.5 16
82.221.108.26 10
188.134.17.15 6
31.146.211.3 5
216.49.158.161 5
208.12.64.254 5
5.9.104.212 4
144.76.157.46 4
89.1.11.32 3
88.198.6.235 3
87.98.243.11 3
76.176.152.111 3
68.204.112.14 3
46.105.117.188 3
185.49.146.41 3
149.210.189.42 3
94.242.210.167 2
23.226.137.208 2
185.53.128.134 2
176.9.198.43 2
174.51.23.224 2
151.236.36.12 2
115.29.238.124 2
97.93.102.87 1
91.194.90.58 1
87.96.146.13 1
87.104.113.2 1
85.214.222.184 1
84.104.6.217 1
81.27.82.11 1
80.240.137.116 1
74.113.69.9 1
66.221.254.71 1
64.156.193.100 1
54.93.196.112 1
54.201.228.116 1
46.105.189.23 1
37.187.151.83 1
24.98.26.158 1
24.14.232.78 1
23.227.191.50 1
23.226.141.253 1
208.12.64.248 1
203.195.153.17 1
193.95.206.44 1
193.68.3.10 1
192.198.93.86 1
186.2.167.23 1
184.169.155.57 1
179.43.146.2 1
179.218.169.233 1
178.78.250.3 1
162.13.46.45 1
159.148.32.33 1
149.210.173.67 1
148.251.238.178 1
144.76.98.163 1
109.74.195.230 1
107.170.133.245 1
106.185.49.243 1