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
GHash.IO 176
Discus Fish 119
BTC Guild 34
Unknown with 1AcAj9p Address 26
KnCMiner 24
Unknown with 1BX5YoL Address 23
Polmine 22
Slush 18
Eligius 17
AntPool 13
P2Pool 11
CloudHashing 7
EclipseMC 3
BitMinter 3
Unknown with 1BwZeHJ Address 2
TripleMining 1
OzCoin 1
Megabigpower 1

Unknown Blocks.

Relayed By count
5.9.65.46 19
82.221.108.26 16
23.23.52.135 10
173.160.157.222 5
178.62.50.247 4
80.235.7.253 3
50.168.3.170 2
31.170.106.216 2
176.9.138.113 2
162.218.65.112 2
104.131.247.112 2
98.255.144.176 1
98.213.192.144 1
92.222.180.14 1
80.100.202.78 1
78.157.205.6 1
76.167.242.236 1
75.98.169.106 1
74.113.69.4 1
70.39.91.66 1
66.172.33.73 1
62.220.146.204 1
58.74.7.205 1
54.254.170.6 1
50.116.7.114 1
46.4.123.234 1
42.121.3.121 1
31.7.57.235 1
23.253.67.84 1
222.73.181.205 1
222.73.178.108 1
198.154.114.231 1
148.251.89.207 1
144.76.91.109 1
144.76.218.203 1
144.76.176.12 1
108.20.43.224 1
106.186.21.203 1