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Doug Madory

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Bio: Doug Madory is a Director of Internet Analysis at Dyn where he works on Internet infrastructure analysis projects. Doug has a special interest in mapping the logical Internet to the physical lines that connect it together, with a focus on submarine cables.

Author Posts:

Iran Leaks Censorship via BGP Hijacks

January 9, 2017 • Last week, we reported via Twitter that the Iranian state telecom TIC hijacked address space...

War-torn Syrian city gets new fiber link

October 12, 2016 • The northern Syrian city of Aleppo is one of the key battlegrounds of that country’s...

Ukraine Emerges as Bogus Routing Source

March 14, 2016 • Last fall, the Interior Minister of Ukraine announced the creation of a national Cyberpolice...

Five Years After Egypt

January 27, 2016 • This week marks a somber milestone in Internet history: the 5-year anniversary of former...

Explosions Leave Crimea in the Dark

November 24, 2015 • Above photo credit: http://varlamov.ru/ Just after midnight local time on 22 November,...

Internet Returns to Aleppo, Syria

November 11, 2015 • In the past week, we have detected the first signs of the Internet returning to Syria’s...

The Threat of Telecom Sabotage

October 30, 2015 • Earlier this week, an article in New York Times captured the world’s imagination with...

Global Impacts of Recent Leaks

October 14, 2015 • Recent routing leaks remind us why monitoring Internet routing and performance is important...

Global Collateral Damage of TMnet leak

June 12, 2015 • The Washington Post recently published a great piece about the development and current...

Earthquake rocks Internet in Nepal

April 28, 2015 • Saturday’s earthquake in Nepal, which claimed the lives of at least 4,000 victims and...

IPv4 Address Market Takes Off

April 6, 2015 • As the available supply of IPv4 addresses dwindles, the market for these virtual commodities...

UK traffic diverted through Ukraine

March 13, 2015 • On the heels of the BGP leak yesterday that briefly impaired Google...

Routing Leak briefly takes down Google

March 12, 2015 • This morning, users of Google around the world were unable to access...

The Vast World of Fraudulent Routing

January 29, 2015 • As network security engineers have attempted to categorize blocks of...

Internet for the Next 3 Billion

January 13, 2015 • Last month, I traveled to Doha, Qatar to participate in the ITU’s...