Earl Zmijewski



Bio: Earl leads a peerless team of data scientists who are committed to analyzing Dyn’s vast Internet Performance data resources and applying their expertise to continually improve upon Dyn’s products and services.

Author Posts:


Iran: Latest Nation to Host Critical Global Internet Infrastructure

September 28, 2015 • As crippling economic sanctions are poised to be lifted by the United States, Iran is starting...


A Baker’s Dozen, 2014 Edition

February 4, 2015 • As is our annual tradition, this blog provides a year-end review of how the Internet providers...

photo by null0 on Flickr

Indonesia Hijacks the World

April 3, 2014 • photo by null0 on Flickr | CC Yesterday, Indosat, one of Indonesia’s...


Turkish Internet Censorship Takes a New Turn

March 30, 2014 • photo by quinn.anya on on Flickr | CC Internet censorship in Turkey took a...


A Baker’s Dozen, 2013 Edition

January 9, 2014 • It has become an annual tradition at Renesys to provide a year-end...


Why Internet Paths Matter: Performance

October 9, 2013 • Remember the Information Superhighway? It’s what some folks used to call...


A Baker’s Dozen, 2012 Edition

January 17, 2013 • It is an annual tradition at Renesys to provide a year-end review of how the...


A Baker’s Dozen, 2011 Edition

February 8, 2012 • It’s become an annual tradition at Renesys to provide a year-end review...


World IPv6 Day

June 8, 2011 • Today is World IPv6 Day, a day when major content providers have agreed to furnish service...


Qwavvis: The Battle for Second

April 29, 2011 • About two weeks ago, Level 3 announced plans to acquire Global Crossing and we...


Level Crossing

April 14, 2011 • On Monday, 11 April 2011, Level 3 announced they had entered a definitive...


Egypt’s Net on Life Support

January 31, 2011 • As of approximately 20:46 UTC, four hours after this blog was first published,...


DNS: When Governments Lie (2)

December 1, 2010 • Last week, we looked at the problem of incorrect DNS answers emanating from...


DNS: When Governments Lie (1)

November 23, 2010 • There’s been sudden interest recently in a Chinese route hijacking...


Hey! You! Get off of my cloud!

September 10, 2010 • We’ve all heard about the wonders of cloud computing. Take your corporate...


House of Cards

August 27, 2010 • Time flies. Although it was over 18 months ago, it seems just like yesterday that a small...


What happened to Sprint?

July 8, 2010 • As our regular readers know, Renesys computes daily rankings of all the service...