ISP and transit networks

Cases, by severity

1. IL-0526 OpenStreetMap.org went offline, then read-only, for 56 hours after HE.net routing equipment cut both fibre uplinksOpenStreetMap Foundation · 2024

   Root cause Dependency failure

2. IL-0452 Azar users on one carrier's 3G IP pool in one country increasingly hit read timed out errors on a STOMP connectionHyperconnect · 2024

   Root cause DNS or network fault

3. IL-0509 SourceHut was down for 170 hours after a DDoS led its upstream network to null-route the PHL datacenter's subnetSourceHut · 2024

   Root cause Dependency failure

4. IL-0259 Outbound packets from Fastmail did not reach part of the internet for about 19 hours, cutting off 3-5% of customersFastmail · 2023

   Root cause Dependency failure