major✓ Resolved

IPv6 Networking Issues in DFW

Fly.io•2026-09-23 07:12 UTC

Status

resolved

Duration

5h 3m

Updates

Coverage

0 articles

INCIDENT TIMELINE

✓ Resolved2026-09-23 12:15 UTC

This incident has been resolved.

resolved2026-09-23 13:07 UTC

This incident has been resolved.

identified2026-09-23 11:12 UTC

We are continuing to work on a fix for this issue.

identified2026-09-23 07:12 UTC

One of the internet transit providers upstream of the affected hosts is performing regional maintenance, which is expected to complete at 10:00AM UTC. IPv6 connectivity to and from destinations using that transit may be impacted during this time window.

investigating2026-09-23 07:12 UTC

We are investigating IPv6 connectivity issues on a subset of hosts in DFW region. Machines on impacted hosts may see inbound/outbound connectivity issues over IPv6. IPv4 connectivity is not impacted.

📊 TECHNICAL DETAILS

Internal ID

c097a7cb-eb76-4972-815d-06973f714910

External ID

01M36HPZ86G87MQXEM9MA40BXN

🕐 First reported

2026-09-23 07:12 UTC

🔄 Last Updated

2026-09-30 14:16 UTC

✓ Resolved

2026-09-23 12:15 UTC

MAJOR

Impact Level

5h 3m

Total Duration

Status Updates

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