You do realize that it's KnC finding those blocks, right? It's not some rich yahoo in the great white north solo-mining with a few petahash... well, I guess if you consider Sweden the great white north and KnC is certainly a couple rich yahoos... lol.
Actually it came from stratum. Btcguild.com hosted in Montreal.
http://www.iplocationfinder.com/stratum.btcguild.comThe loot went to
https://blockchain.info/address/1H1sq6Msgt9HjRrBuz8ieZdThzWXS6oPVAWhen it first came out it showed 102% of network hash.
Name Server: GINA.NS.CLOUDFLARE.COM
Name Server: JOSH.NS.CLOUDFLARE.COM
Are also owned by Btcguild.
Is it possible to hijack a large cloud and make it do, sha 256 for a minute?