Archive for August, 2009

Where Did All the Tweets Go?

August 6, 2009 by Craig Labovitz

At roughly 9:00am (EDT) this morning, the Twitisphere fell silent (or at least significantly fewer twitters). And though you could not follow the outage via tweets, Twitter’s blog announced the popular site was under DDoS. The below graph shows Observatory data from 55 providers around the world to Twitter’s two NTT hosted addresses blocks: 168.143.0.0/16, [...]

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Behind the Firewall — A Look at Six Iranian ISPs Forty Days Later

August 3, 2009 by Craig Labovitz

In this post (likely our last on the topic), we look behind the great Iranian firewall. Specifically, we explore forty days of post election traffic to six of the major in-country Iranian Internet providers (based on ASPath traffic data from the Internet Observatory). The traffic fluctuations of these six Iranian providers provides additional insight into [...]

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Return to the Iranian Firewall

August 2, 2009 by Craig Labovitz

It has been 40 days since the start of protests in Iran. And a lot has changed since my last blog post on the Iranian national firewall. Hundreds of Iranians are imprisoned or dead. And where the Iranian government firewall may have failed, oppression and fear have succeeded (at least for now). The infectious global [...]

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