# IPv6 egress issues on a subset of IAD hosts

- Provider: [Fly.io](https://down.guide/fly)
- Level: confirmed
- Impact: Degraded
- lasted 23m
- started 2026-11-06 09:55 UTC
- id: DWN-df6c25750b
- Official page: https://status.flyio.net/incidents/01M6R4H5Y3QECXHCX103XVNSE1

## Summary
Fly.io says IPv6 egress was unavailable on a subset of IAD hosts due to an upstream provider misconfiguration, while internet-facing IPv6 services were unaffected. As of 10:17 UTC on 2026-11-06, the incident is resolved and all affected hosts are back to normal.

_Written by anthropic/claude-haiku-5.5 from Fly.io's own updates._

## Updates from Fly.io
### 2026-11-06 09:55 UTC: identified
Due to an upstream provider misconfiguration, IPv6 egress is unavailable on a subset of IAD hosts. Internet-facing IPv6 services are unaffected.

### 2026-11-06 09:55 UTC: identified
Due to an upstream provider issue, IPv6 egress is unavailable on a subset of IAD hosts. Internet-facing IPv6 services are unaffected.

### 2026-11-06 10:17 UTC: resolved
All affected hosts are back to normal.

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