The deep-dive into how Verizon and a BGP Optimizer Knocked Large Parts of the Internet Offline Monday

On June 24, 2019, Cloudflare experienced a significant route leak from Verizon. The incident began at 10:34:25 UTC and ended at 12:38:54 UTC. This blog post provides an in-depth analysis of the event, including data on the routes leaked, the AS-PATHs involved, and the impact on various networks. It also discusses how different network operators handled the route leak and highlights the importance of implementing proper routing security measures such as RPKI.