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vi

@gl4cier.bsky.social

CS PhD student - fun with IPv6. Part-time threat hunter, novice language learner (🇳🇴🇳🇱🇯🇵), AS201567, they/them, @gl4cier@mastodon.social

Posts Replies Media

Reposted by vi

Doug Madory @eldomador.bsky.social · 15/07/2025

Just to clear up some misinfo, a BGP hijack was not the cause of Cloudflare DNS going down today. At 21:51 UTC, Cloudflare (AS13335) withdrew both 1.1.1.0/24 and 1.0.0.0/24 for an unknown reason. I suspect AS4755 was always announcing 1.1.1.0/24, when CF went away, it leaked a bit (%2).

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vi @gl4cier.bsky.social · 15/07/2025

Interesting, didn't know it's a common internal route - thanks, I learnt something new today

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vi @gl4cier.bsky.social · 15/07/2025

I'm willing to bet I've overlooked something - maybe it was too low visibility to be recorded before the route withdrawal by AS13335?

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vi @gl4cier.bsky.social · 15/07/2025

GRIP has an event listing AS65430 alongside AS4755 - might be a typo of AS6453, was this an attempt at making the path longer or sinkholing? grip.inetintel.cc.gatech.edu/events/moas/... Can't see data on RIPEstat for AS4755 announcing anything in the /8 covering this prefix in past 4 weeks but /1

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vi @gl4cier.bsky.social · 27/08/2023

Insignificance

A top-down reflection of people standing in a mirror walled room with cascading rows of white lights. I'm in the centre taking the picture.

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vi @gl4cier.bsky.social · 12/08/2023

Yesterday I hiked to the summit of Mt Fuji on Mountain Day, a national holiday in Japan Saw amazing sights over the 2 day hike - the shadow of Fuji on the clouds below, sunrise at a torii gate, a sea of stars in the night sky, moments of complete silence, and so so much more Incredible experience.