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Outage Analyses

Comcast Outage Analysis — Nov. 9, 2021

By Angelique Medina
| November 9, 2021 | 1 min read

Summary

ThousandEyes detected two distinct Comcast outages on Monday, Nov. 8 and Tuesday, Nov. 9. This post may be updated periodically as we have more information to share.


[Nov 9, 11:30 am PT]

ThousandEyes detected two outages impacting Comcast’s network backbone. The first took place in Comcast’s backbone in the SF Bay Area between approximately 9:40pm-11:25pm PT on Monday Nov. 8. 

Figure-1-Comcast-Outage-Nov-8-2021-SF-Bay-Area.png
Figure 1: An outage occurred in Comcast’s backbone in the SF Bay Area between approximately 9:40pm-11:25pm PT on Monday Nov. 8.  

A second, more widespread outage occurred this morning starting at 5:05am and lasted over an hour until ~ 6:15am PT. The latter outage had broader reach across multiple cities in the U.S. Learn more on the Internet Outages Map: www.thousandeyes.com/outages/ 

Figure-2-Comcast-Outage-Nov-9-2021.png
Figure 2. A second Comcast outage took place on Tuesday, November 9, starting at 5:05am PT and lasted over an hour until ~ 6:15am PT.

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