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 129
GHash.IO 91
KnCMiner 42
BTC Guild 38
Unknown with 1AcAj9p Address 25
AntPool 25
Eligius 20
Slush 18
Cointerra 13
Polmine 8
P2Pool 8
Unknown with 1BwZeHJ Address 4
BitMinter 4
Megabigpower 3
MegaBigPower 3
EclipseMC 2
CloudHashing 2
Bitcoin Affiliate Network 2

Unknown Blocks.

Relayed By count
31.146.211.3 12
184.169.155.66 8
76.176.152.111 7
54.213.230.83 7
211.149.217.191 6
148.251.153.164 5
86.28.137.226 4
176.9.198.43 4
68.204.112.14 3
54.93.196.112 3
54.165.122.186 3
167.160.36.109 3
104.200.24.180 3
88.208.33.202 2
87.104.113.2 2
72.14.184.18 2
62.210.114.127 2
212.71.251.105 2
211.149.208.118 2
192.241.174.149 2
148.251.164.163 2
144.76.157.46 2
104.131.141.82 2
98.253.241.33 1
97.93.102.87 1
88.208.0.79 1
88.198.6.235 1
82.192.228.112 1
78.140.142.166 1
74.113.69.10 1
72.20.58.55 1
71.97.86.253 1
71.170.39.22 1
54.201.228.116 1
50.117.7.46 1
46.20.246.118 1
46.163.76.230 1
46.105.102.78 1
31.41.40.25 1
216.218.235.90 1
208.66.30.27 1
198.46.152.2 1
193.111.137.87 1
188.165.68.19 1
185.53.128.134 1
178.62.16.113 1
178.62.1.28 1
175.126.124.92 1
174.2.213.209 1
173.255.214.74 1
159.148.32.33 1
158.255.89.244 1
144.76.244.19 1