# ngrok: Getting a high rate of ERR_NGROK_503 in the EU region - No available reserved addresses

- Impact (vendor’s label): major
- Status: resolved
- Started: 2024-12-09 16:20 UTC · Resolved: 2024-12-09 18:27 UTC · Duration: 2.1 h
- Updates: 6 · Affected components: Agent Connectivity - Region - EU, Region - EU
- [Vendor status page: https://stspg.io/4n8fsv7ftb8m](https://stspg.io/4n8fsv7ftb8m)
- [Company: ngrok](https://rewindex.com/company/ngrok.md)

## Timeline of updates

- **investigating** 2024-12-09 16:20 UTC: We are currently investigating this issue.
- **investigating** 2024-12-09 16:21 UTC: We are continuing to investigate this issue.
- **identified** 2024-12-09 16:52 UTC: We have identified the issue and are deploying a fix.
- **monitoring** 2024-12-09 17:57 UTC: We have deployed the fix and are monitoring
- **monitoring** 2024-12-09 17:57 UTC: We are continuing to monitor for any further issues.
- **resolved** 2024-12-09 18:27 UTC: This incident has been resolved.

## Rewindex changes for this incident

- 2024-12-09 16:20 UTC: [Major incident: Getting a high rate of ERR\_NGROK\_503 in the EU region - No available reserved addresses](https://rewindex.com/change/icf6babc6962d19.md)


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Canonical: https://rewindex.com/company/ngrok/incidents/q6z49nd3h59t · Markdown: https://rewindex.com/company/ngrok/incidents/q6z49nd3h59t.md · JSON: https://rewindex.com/api/v1/companies/ngrok/incidents/q6z49nd3h59t · Generated 2026-10-20T00:52:51.965Z