Lol. James Hillard, aka lightsword, is arguing this is a selfish mining block
https://gist.github.com/jameshilliard/1693a637f3860aff2887
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antpoolselfish394048.txt
Block 394048
Found by antpool
1. stratum.btcchina.com:3333 2016-01-19 13:00:44.209000
2. stratum-us.f2pool.com:3333 2016-01-19 13:00:44.761000
3. stratum.f2pool.com:3333 2016-01-19 13:00:45.382000
4. stratum.mainnet.mining.strateman.ninja:3333 2016-01-19 13:16:33.715000
5. solo.ckpool.org:3333 2016-01-19 13:16:33.963000
6. stratum.kano.is:3333 2016-01-19 13:16:34.300000
7. us-east.stratum.bitcoin.cz:3333 2016-01-19 13:16:35.712000
8. eu.stratum.bitcoin.cz:3333 2016-01-19 13:16:35.981000
9. sg.stratum.bitcoin.cz:3333 2016-01-19 13:16:36.034000
10. stratum.mining.eligius.st:3334 2016-01-19 13:16:36.377000
11. pool.bitclubpool.com:3333 2016-01-19 13:16:36.706000
12. cn.stratum.bitcoin.cz:3333 2016-01-19 13:16:37.141000
13. mint.bitminter.com:3333 2016-01-19 13:16:39.427000
14. stratum.bravo-mining.com:3333 2016-01-19 13:16:40.895000
15. nl1.ghash.io:3333 2016-01-19 13:16:53.268000
16. uk1.ghash.io:3333 2016-01-19 13:16:53.386000
17. eu.eclipsemc.com:3333 2016-01-19 13:16:53.655000
18. us1.ghash.io:3333 2016-01-19 13:16:57.603000
19. stratum.bw.com:3333 2016-01-19 13:17:02.769000
20. solo.antpool.com:3333 2016-01-19 13:21:24.951000