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Large Canadian Internet Outage

News reports (for example, at the Verge and Slashdot) mention a large outage in Rogers, a major Canadian telecommunications provider.

We see lots of evidence for this in our Internet outage detection system.

It’s big! Maybe 30% of Toronto and southern Ontario networks, plus a lot of outages in New Brunswick.

Ontario:

Internet outages in Ontario, Canada. The largest circle represents about 6500 /24 network blocks down near Toronto, about 30% of the /24 blocks in that area. See details on our outage website.

New Brunswick:

Internet outages in New Brunswick, Canada. The largest circle here represents 196 /24 network blocks down near Moncton, more than 45% of the /24 blocks there. The red circles are areas where most or all network blocks are currently out. See details on our outage website.

An update: Newfoundland also sees a lot of outages. Quebec looks in pretty good shape, though.

And it’s lasting a long time. It looks like it started at 5am Eastern time (2022-07-08t09:00Z), it it has lasted 9.5 hours so far!

We wish Rogers personnel and our Canadian neighbors the best.

Update at 2022-07-09t06:15Z (2:15am Eastern time): Toronto is doing much better, with “only” 10% of blocks unreachable (22808 of 21.5k in the 43.8N,79.3W 0.5 grid cell). New Brunswick and Newfoundland still look the same, with outages in about 50% of blocks.

Update at 2022-07-09t21:10Z (5:10pm Eastern time): It looks like many Rogers networks recovered at 2022-07-09t05:15Z (1:15am Eastern time). This includes all of New Brunswick and Newfoundland and most of Ontario. Trinocular has about a one-hour delay while it computes results, so I did not see this result when I checked in the prior update–I needed to wait 15 minutes more.