https://www.downhunter.com/
Live outage reports & service status – Downhunter
Check live outage reports and service status for internet providers, apps and online services. See what is down right now based on real user reports.
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https://www.saasdown.com/status/vonage/map
Vonage Outage Map - Downhunter.com
You can see which cities are currently affected by an Vonage fault on the Vonage map.
outage mapvonage