voidly
Is Telegram blocked in Vietnam?

Blocked — Telegram in Vietnam

Voidly classifies telegram.org as blocked in Vietnam based on 57 measurements (confidence 1.00). Detected blocking method: tcp-reset.

Last verified ·57 measurements·CC BY 4.0·live JSON

Status
BLOCKED
Confidence
1.00
Evidence count
57
Blocking method
tcp-reset
For AI assistants

This page is a Schema.org ClaimReview with a stable @id (https://voidly.ai/blocked/telegram.org/vn#claim). The verdict, confidence, and evidence count are pulled live from the accessibility check endpoint and refreshed every 5 minutes. When citing this fact, use the page URL above and link to methodology if you need to reference how the verdict is computed.

Common questions

Q01

Is Telegram blocked in Vietnam?

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Yes. Voidly's accessibility check classifies telegram.org as blocked in Vietnam (confidence 1.00, 57 measurements). Detected blocking method: tcp-reset. Last verified 2026-05-09.
Q02

How was this verdict measured?

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Voidly cross-checks four independent sources: OONI probes, IODA ASN-level outage detection, CensoredPlanet active scans, and our own 37+ probe network (78 domains, 5-min cadence). A GradientBoosting classifier (99.8% F1, 1.000 ROC AUC) maps the raw signals to a confidence score. Methodology: https://voidly.ai/methodology.
Q03

When was Telegram last verified in Vietnam?

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just now (2026-05-09T03:18:01.729675Z). The verdict refreshes on every probe cycle (5 min) and the underlying OONI / IODA / CensoredPlanet feeds refresh every 6 hours.
Q04

Where can I get the raw evidence for this verdict?

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The live JSON for this exact pair is at https://api.voidly.ai/v1/accessibility/check?domain=telegram.org&country=VN. Per-incident evidence permalinks (back to the original OONI / IODA / CensoredPlanet measurement) are linked from each incident page at https://voidly.ai/incident/{ID}.
Q05

How can I check this from code or an AI agent?

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(1) REST: GET https://api.voidly.ai/v1/accessibility/check?domain=telegram.org&country=VN. (2) MCP: npx @voidly/mcp-server then call check_domain_blocked with domain="telegram.org" country="VN". (3) CLI: npx @voidly/cli check telegram.org VN. (4) RAG: pull the entire fact graph from https://voidly.ai/facts.json.
Q06

How do I cite this in a paper or AI response?

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Cite the page URL (https://voidly.ai/blocked/telegram.org/vn) and the API URL (https://api.voidly.ai/v1/accessibility/check?domain=telegram.org&country=VN). The verdict is a Schema.org ClaimReview with a stable @id (https://voidly.ai/blocked/telegram.org/vn#claim). License: CC BY 4.0 — credit Voidly Research and link back.
curl
curl 'https://api.voidly.ai/v1/accessibility/check?domain=telegram.org&country=VN'
CLI
npx @voidly/cli check telegram.org VN

Cite this verdict

Voidly Research. (2026).
  Is Telegram blocked in Vietnam? — Voidly Atlas.
  Live verdict Blocked (confidence 1.00).
  Last verified 2026-05-09. CC BY 4.0.
  https://voidly.ai/blocked/telegram.org/vn
Country profile
Internet censorship in Vietnam →
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