China’s 18-Minute Mystery
When the US-China Economic and Security Review Commission released its report to Congress this week, something slightly unusual happened: people read it. And there, buried on pages 236-247, a mystery...
View ArticleDNS: When Governments Lie (1)
There’s been sudden interest recently in a Chinese route hijacking incident that occurred way back in April, brought about by a new report to the US Congress that highlighted the event (see pages...
View ArticleDNS: When Governments Lie (2)
Last week, we looked at the problem of incorrect DNS answers emanating from China and the potential impact on Internet users outside the country. In this blog, we’ll consider a proposed and partially...
View ArticleEgypt Returns To The Internet
Latest updates on Wednesday’s restoration of Internet service in Egypt can be found at the bottom of this page. We’ll update through the day. cheers, –jim Egyptian Internet providers returned to the...
View ArticleLibyan Disconnect
Final updates on this thread added at the bottom. New analysis here. –jim Renesys confirms that the 13 globally routed Libyan network prefixes were withdrawn at 23:18 GMT (Friday night, 1:18am Saturday...
View ArticleTracing the Syrian Blackout
Updated Monday morning to include detailed Syrian network map, and include one-second BGP plots during the day of outage. –jim Thanks to everyone who’s stopped by this week to read about the Internet...
View ArticleIrene Wallops US Internet
Hurricane Irene knocked out power to millions of homes and businesses as it travelled up the US East Coast this weekend. Even as the winds subsided, torrential rains triggered savage flooding...
View ArticleCyber Attack in Palestine?
We can confirm reports of significant but sporadic Internet outages in the Palestinian Territories today. As many as half of the routed networks of the Palestinian Territories were unreachable...
View ArticleNorth Korea Suffers Outage
Earlier this morning, North Korea accused the United States of conducting a cyber attack that disrupted their Internet connectivity. While the details remain unknown, we can confirm that, in the last...
View ArticleCyber Escalation in Korea?
On Friday, we published a blog confirming a disruption in Internet connectivity affecting the Internet of North Korea. This morning, South Korean authorities reported that they have been the victims...
View ArticleWhy Internet Paths Matter: Performance
table.padded-table td { padding:0px 6px 0px 0px } Remember the Information Superhighway? It’s what some folks used to call the Internet back in the 1990s. Those of us lucky enough to have access from...
View ArticleThe New Threat: Targeted Internet Traffic Misdirection
Traffic interception has certainly been a hot topic in 2013. The world has been focused on interception carried out the old fashioned way, by getting into the right buildings and listening to the...
View ArticleIndonesia Hijacks the World
Yesterday, Indosat, one of Indonesia’s largest telecommunications providers, leaked large portions of the global routing table multiple times over a two-hour period. This means that, in effect, Indosat...
View ArticleAmid raging violence, Iraq orders Internet shutdowns
table.padded-table td { border: 1px solid black; padding:0px 20px 0px 0px } Update (10:00ET, 14-Jun-2014): See below for a copy of Friday’s Iraqi MoC order to disconnect social media. Iraq is...
View ArticleKurdish ISPs enable growth of Iraqi Internet
The recent violence in Iraq and the government’s actions to block social media and other Internet services have put a spotlight on the Iraqi Internet. However, an overlooked but important dynamic in...
View ArticleSprint, Windstream: Latest ISPs to hijack foreign networks
Last year my colleague Jim Cowie broke a story about routing hijacks that resulted in Internet traffic being redirected through Iceland and Belarus. Unfortunately, little has changed since then and the...
View ArticleChinese Routing Errors Redirect Russian Traffic
In recent weeks, Russian President Vladimir Putin announced a plan to enact measures to protect the Internet of Russia. In a speech to the Russian National Security Council he said, “we need to greatly...
View ArticleThe Vast World of Fraudulent Routing
As network security engineers have attempted to categorize blocks of IP addresses associated with spam or malware for subsequent filtering at their firewalls, the bad guys have had to evolve to...
View ArticleRouting Leak briefly takes down Google
This morning, users of Google around the world were unable to access many of the company’s services due to a routing leak in India. Beginning at 08:58 UTC Indian broadband provider Hathway (AS17488)...
View ArticleUK traffic diverted through Ukraine
On the heels of the BGP leak yesterday that briefly impaired Google services around the world, comes another routing incident that impacted some other important Internet services. Beginning on...
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