AT&T Fiber Speed Test
AT&T Fiber offers symmetrical gigabit-class fiber where available, with AT&T Internet Air and DSL in other areas.
Typical ranges: 300–5000 Mbps down · 300–5000 Mbps up (varies by plan and market).
Your internet speed
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Packet loss
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- Confirm you are on fiber—not DSL or fixed wireless—before comparing results.
- Gateway firmware and Wi‑Fi settings strongly affect indoor speeds.
Internet plans worth comparing
Sponsored offers. We may earn a commission if you sign up. See disclosure.
- Check availabilitySponsoredFiberCompare — Compare fiber plans near you
See which providers offer 500 Mbps–2 Gbps fiber in your ZIP code. Availability varies.
- Shop mesh kitsSponsoredHomeNet Gear — Upgrade to a mesh Wi‑Fi system
If your speed test is fast on Ethernet but slow on Wi‑Fi, a modern mesh kit often helps.
Also see internet speed test and what is a good internet speed.