Active Incident
Confirmed: internet outage in China
China · March 23, 2026 · Ongoing
IODA detected significant connectivity drop in China. 21 critical alerts recorded.
Evidence
9%
Anomaly Rate
21
Measurements
75%
Confidence
What This Means
9% of tests showed anomalies, above the typical 1-3% baseline. This suggests potential network interference.
How We Detected This
Data Sourceioda
ML ModelGradientBoosting v3.3 (LOCO median F1 0.87, honest across 127 countries)
Confidence Score75% certainty of censorship
Detection TimeMarch 23, 2026
Corroborating Evidence (21)
Evidence collected from multiple independent sources. Upstream claims shown in quotes are not Voidly assertions.
IODAInternet Outage Detection & Analysis21 records
outage
"IODA detected critical level outage for Anhui"— IODA report
Signal value: 0.09
Mar 23, 2026
View source →outage
"IODA detected critical level outage for Fujian"— IODA report
Signal value: 0.03
Mar 23, 2026
View source →outage
"IODA detected critical level outage for Gansu"— IODA report
Signal value: 0.05
Mar 23, 2026
View source →outage
"IODA detected critical level outage for Guangxi"— IODA report
Signal value: 0.01
Mar 23, 2026
View source →outage
"IODA detected critical level outage for Liaoning"— IODA report
Signal value: 0.03
Mar 23, 2026
View source →+ 16 more IODA records
What we cannot say
- Who caused it — measurement data alone does not attribute this to any government, ISP, or other actor.
- Intent — anomalous or unreachable measurements indicate interference, not a stated motive or a deliberate-vs-incidental determination.
- Which networks — no specific ASN/ISP is identified for this incident.
- The mechanism — we cannot state whether this was DNS tampering, TLS/SNI reset, an HTTP blockpage, throttling, or an infrastructure outage.
- A confirmed duration — we report the observation window, not a verified start/stop of any block.
- Sub-national scope — measurement is aggregated at the country level; we cannot localize to a province, city, or network segment.
- Independent corroboration — this rests on a single source; treat it as a single-source signal, not a multi-source confirmation.
Cite This Incident
Voidly Research. (2026). Confirmed: internet outage in China [CN-2026-0171]. Voidly Global Censorship Index. https://voidly.ai/incident/CN-2026-0171