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That meant that virtually all of Egypt's Internet addresses were unreachable. More here. A plot of Internet traffic with Egypt is shown below:
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From Arbor networks |
From SLAC (USA)
From SLAC, using PingER, we saw Helwan University and the National Authority for Remote Sensing and Space Science stopped responding between 23:30 26 Jan 2011 and 00:30 27 Jan 2011. The Egyptian Universities Network site was still accessible from SLAC until 23:30 28 Jan 2011, and then became inaccessible.
From NUST-SEECS (Pakistan)
Pakistan appears to also have lost connectivity to the EUN. On Jan 27, 2011 around 2200 hours, maggie1.niit.edu.pk lost connectivity to the Egypt Universities Network (EUN). On the same day around 2300 hours, maggie2.niit.edu.pk lost connectivity to EUN.
Some connectivity still available
The Library of Alexandria www.bibalex.org (196.204.161.10) appears to be alive and responsive.
GeoIPTools says it's in Egypt (but GeoIPTools get its info from databases and is not fully accurate). Ping www.bibalex.org get a DNS but the ping fails. A TCP RTT test to port 80 of www.bibalex.org gives:
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The www.bibaex.org site has useful information on the state at the BA.
Other links
- Blog on monitoring the shutdown
- http://blogs.wsj.com/digits/2011/01/28/how-egypt-killed-the-internet/
- http://www.zdnet.com/blog/networking/the-internet-goes-dark-in-egypt/613?tag=nl.e539
- http://www.infoworld.com/d/adventures-in-it/cairo-mania-egypt-cuts-the-net-807?page=0,0&source=IFWNLE_nlt_daily_2011-01-29
- http://www.csmonitor.com/Science/2011/0128/Egypt-unrest-How-do-you-shut-down-Internet-service-in-an-entire-country
- http://www.networkworld.com/community/blog/egypt-cisco-and-juniper-wont-go-there?source=NWWNLE_nlt_cisco_2011-01-31
- http://www.networkworld.com/news/2011/012811-internet-blackout-egypt.html