voidly
Active Incident

Internet outage in Vietnam

Vietnam · April 22, 2026 · Ongoing

IODA detected significant connectivity drop in Vietnam. 2 critical alerts recorded.

Evidence

100%
Anomaly Rate
2
Measurements
67%
Confidence

What This Means

100% of 2 network tests from Vietnam failed to reach these services. Global baseline failure rate is typically 1-3%. This 97+ percentage point difference strongly indicates intentional blocking.

How We Detected This

Data Sourceioda
ML ModelGradientBoosting v3.3 (LOCO median F1 0.87, honest across 127 countries)
Confidence Score67% certainty of censorship
Detection TimeApril 22, 2026

Corroborating Evidence (3)

Evidence collected from multiple independent sources. Upstream claims shown in quotes are not Voidly assertions.

IODAInternet Outage Detection & Analysis3 records
outage
"IODA detected critical level outage for Đồng Bằng Sông Hồng"IODA report
Signal value: 1.00
Apr 22, 2026
View source →
outage
"IODA detected critical level outage for Đồng Bằng Sông Hồng"IODA report
Signal value: 1.00
Apr 22, 2026
View source →
outage
"IODA detected critical level outage for Đồng Bằng Sông Hồng"IODA report
Signal value: 1.00
Apr 22, 2026
View source →

Cite This Incident

Voidly Research. (2026). Internet outage in Vietnam [VN-2026-0073]. Voidly Global Censorship Index. https://voidly.ai/incident/VN-2026-0073

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