A China Unicom network failure is affecting routes from our Seattle location. All other locations are unaffected.
Current status
Seattle: China Unicom (AS4837)Elevated latency and packet loss
Degraded
Seattle: China Unicom (AS9929, to Telecom only)Elevated latency and packet loss
Degraded
Seattle: all other networks
Operational
All other locations
Operational
Active incident
China Unicom network failure
10 November 2026 · Started 11:00 UTC · Ongoing
There is currently a failure in the China Unicom network as of 11:00am UTC. This is causing elevated latency and packet loss for both AS4837 and AS9929 (to Telecom only).
This affects our Seattle location only.
Location
Seattle
Networks
AS4837, AS9929 (to Telecom only)
Impact
Elevated latency and packet loss
Updates
MonitoringFor AS9929, we have re-routed China Telecom to CMIN2, which is performing well for most regions. We are continuing to monitor AS4837, it is suffering congestion daily during peak time due to the China Unicom backbone failure.
InvestigatingWe have been informed of an AS9929 backbone fault. China Unicom is investigating.
OngoingA failure in the China Unicom network is causing elevated latency and packet loss for AS4837 and AS9929 (to Telecom only). Seattle location only.