Tag Archives: akamai

A powershell script for running reverse lookups on many IP addresses at once

Posted on May 10, 2012 by jrothmanshore

I often find myself looking at web logs when researching anomalous traffic on our servers.  It’s not uncommon for a poorly written web scraper to come through the system and generate spurious errors, and I start looking at what IP … Continue reading →

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Determine a linux server’s public ip address from the command line

Posted on September 6, 2011 by jrothmanshore

We were recently setting up a linux server to integrate with a partner of ours, and we found that it was unable to connect to the remote server.  Our first suspicion was that our partner was blocking any ip addresses … Continue reading →

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Map of the world’s submarine data cables highlight challenges of routing internet traffic

Posted on July 14, 2011 by jrothmanshore

I came across a very interesting site today – http://www.cablemap.info.  It’s an overlay of the world’s submarine data transmission cables on top of google maps, allowing you to see how the world interconnects.  It appears to be the work of … Continue reading →

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How Akamai routes traffic (hint: it’s not always dynamic)

Posted on June 29, 2011 by jrothmanshore

I thought I had a full grasp of how Akamai routing works, but a recent dive into our web logs has taught me that world of high speed internet traffic routing is more nuanced. One of the big selling points … Continue reading →

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Troubleshooting Akamai: How to geolocate an IP Address

Posted on February 25, 2011 by jrothmanshore

Akamai provides enormous value by accelerating content delivery around the world. However, as I described a few months back, Akamai relies on the DNS server that processes the request to determine where to accelerate traffic. Large, global corporations often have complex … Continue reading →

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The DNS Challenges of Using Akamai Sites for Global Corporations

Posted on November 16, 2010 by jrothmanshore

Akamai’s web application accelerator product has been a tremendous benefit for our global operations.  Using their tools, we have observed a 400% performance boost between the United States and Asia versus accessing our site over “public” internet.  The benefits come … Continue reading →

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