768k Day expected within the month, reminiscent of 512k Day when AT&T, BT, Comcast, Sprint, and Verizon all went down.

April 18, 2019, By Catalin Cimpanu



An internet milestone known as "768k Day" is getting closer and some network administrators are shaking in their boots fearing downtime caused by outdated network equipment.

What is 768k Day?

The term 768k Day comes from the original mother of all internet outages known as 512k Day.

512k Day happened on August 12, 2014, when hundreds of ISPs from all over the world went down, causing billions of dollars in damages due to lost trade and fees, from a lack of internet connectivity or packet loss.



The original 512k Day took place because routers ran out of memory for storing the global BGP routing table, a file that holds the IPv4 addresses of all known internet-connected networks.



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