I like Internet infrastructure engineering. 🇳🇱Based in Vancouver🇨🇦 @tailscale

Vancouver, Canada
Reports today of a strike on the Cosmonova data center in Kyiv (AS34867). Also visible on WatchTheNet.com: it went fully dark at 07:26 UTC for ~1.5h, with reachability dropping to zero. Back online since ~09:00 UTC 👇
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Beautiful Saturday afternoon in downtown Vancouver
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Oh my this is catchy🎉! Very nicely done 🤖
this is actually just straight up good shit. genuine art. what is happening
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New on WatchTheNet: BGP data + replay, overlaid on our active probe data 🎥 Here's a demo video of today's Iraq country wide outage due to exam shutdown visualized. Pretty neat to watch BGP path hunting before it runs out of options and the networks drop offline.
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Verizon (fka Frontier, AS5650) having a rough morning in Ohio & West Virginia. as of 14:38 UTC towns like Bunker Hill & Augusta plus Carrollton, Plain City and Logan OH dropped 70–100%. BGP didn't budge, but traffic isn't getting through. Still ongoing. watchthenet.com/outages
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Update: Verizon/Frontier (AS5650) back in Ohio & West Virginia. Both states went down within ~3 min of each other (14:38–14:41 UTC) and came back together (15:31–15:33). Guess it's one shared failure inside Frontier's network.
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Better visual: Basically all of Verizon/Frontier (AS5650) in Ohio fell.
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Andree Toonk retweeted
Anthropic commits to spending $11.6B over seven years on Akamai cloud services and secures an option to take a stake of up to 5%; AKAM jumps 17%+ after hours (Harshita Mary Varghese / Reuters) (Visit Techmeme dot com for the link and full context!)
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apparently I'm as social media influencer now 😆
If short videos, product explainers, or homelab how to’s are your thing, you might consider following us on TikTok (@ tailscale). Our social media manager (who is not an intern or unpaid, btw) says it’s worth a shot. So here goes our attempt at being TikTok people or Tiktokers or whatever they say over there.
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Guyana 🇬🇾 is mostly offline now. Guyana telecom (AS19863), the country's biggest ISP, went dark at 19:09 UTC and pulled ~90% of Guyana's internet with it. Routes vanished from BGP the same minute. Still down 1h+ later. watchthenet.com/e/country/GY
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"The official said the system-wide disruption of fibre-optic Internet and mobile services went down after an agent of the new owners of a plot of land where the Central Radio Service was located cut the Internet cable while working on a drain." demerarawaves.com/2026/09/23…
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Russian drones hit Kyiv this morning. Several regional ISPs went offline, and five hours later some still haven't come back. watchthenet.com/e/asn/UA/AS4…
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Reviewing outages from overnight, stumbled on the O2 outage in Czech Republic AS5610. Affecting about 1,5M IP addreses watchthenet.com/e/asn/CZ/AS5…
An ongoing disruption on O2 Czech Republic (AS5610) is impacting #Internet service across the Czech Republic. According to the operator, some customers are experiencing "reduced availability of Internet services." O2's IPTV service (OnePlay) and the Moje O2 app are also affected. Follow the latest: radar.cloudflare.com/traffic…
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Fun hobby project: "Watch the Net" 🌎 To detect Internet outages. Finally got around to making it available to everyone. It measures the "pulse of the Internet" with active probes and shows outages/reachability across countries, cities and ASNs. watchthenet.com/
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Beautiful sunny Sunday in Vancouver today! Also, someone noticed the @Tailscale logo on my sweater, turns out he was a big fan 🤩
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Interesting thread
There's been a ton of talk about the role of humans in code review, and when and how humans should be signing off on changes. I believe that, long-term, humans have no role in routinely reviewing code.
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Rough night in Ukraine seen from my probes Odesa: reachability dropped ~30% at 01:06 UTC and hasn't come back. Donetsk: -90% for three hours over night , and it came back ~25% lower than before.
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