Politics, Weather, Photography, and the Dog
Thursday 19 June 2014

No, not aviation routing; IP routing.

From the Terminal 2 American Airlines club, I am unable to hit most *.cloudapp.net IP addresses. This is significant because it's basically all of Microsoft Azure, including logon.microsoft.net, Weather Now, and a bunch of other sites I use or have some responsibility for.

I've just spent a few minutes testing DNS (everything is fine there) and then using tracert and pathping, and it looks like the entire 168.62.0.0/16 and 168.61.0.0/16 ranges are just not visible from here. (The Daily Parker is also in Azure, but its IP is in the 191.238.0.0/16 subnet, which seems to be visible just fine.)

I wonder if Microsoft knows that its U.S. East data center is being blocked by some French ISP? Or why?

Thursday 19 June 2014 15:53:25 CEST (UTC+02:00)  |  | Cloud | Security#
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David Braverman and Parker
David Braverman is the Chief Technology Officer of Holden International in Chicago, and the creator of Weather Now. Parker is the most adorable dog on the planet, 80% of the time.
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