If you found this page from a google search for 150.70.84.49 - wondering what the hell it was and why it is in your web logs, then I can tell you, having just tried to figure out the same answer for myself.

150.70.0.0/16 is a Netblock owned by Trend Micro, the Anti Virus and web secrutiy company.

150.70.84.49 appears to be a box they remotely scan websites from, for what purpose I do not entirely know.

It looked extremely dodgy when I first saw it, but I now assume it's all legitimate.

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Phil Veale
email@philipveale.com