Internet Speeds in Castro Valley, CA

There are 3 internet providers operating in Castro Valley, the most popular being Xfinity. Xfinity offers cable and fiber internet service. In 12,853 recent tests, on average, we have been seeing 186 Mbps for download speeds and 23 Mbps for upload speeds for Xfinity customers. In addition to Xfinity, DSL, fiber and fixed wireless internet service is also available from AT&T and Etheric Networks.

While these are the real speeds we have been seeing in our research, there are many factors that go into the actual download and upload speeds you will encounter.

Last updated on June 18, 2024
ProviderDownload SpeedUpload SpeedLatency
Xfinity
Cable
Fiber
View Details →
186 Mbps23 Mbps11 ms
AT&T
DSL
Fiber
View Details →
80 Mbps30 Mbps8 ms
Etheric Networks
Fixed Wireless
View Details →
30 Mbps17 Mbps11 ms
* Data from speed tests taken in the last 3 months

Internet Providers in Castro Valley, CA

Xfinity

Cable
Fiber

Download Speed

186Mbps

Upload Speed

23Mbps

Latency

11ms

Overview

Xfinity is the most popular provider in Castro Valley offering cable and fiber internet service. Users have been getting 186 Mbps for download speeds and 23 Mbps for upload speeds over 12,853 recent tests.

Performance Breakdown

Xfinity has the fastest average download speed, the 2nd fastest average upload speed, and the 3rd lowest latency out of all of the providers in Castro Valley. 26% of users saw download speeds between 250-500 Mbps, and 45% of users saw upload speeds between 10-25 Mbps.

Download Speeds

Upload Speeds

Recent Xfinity Speed Tests in Castro Valley

DateDownload SpeedUpload SpeedLatency
June 17, 2024724 Mbps37 Mbps7 ms
June 17, 2024806 Mbps24 Mbps7 ms
June 17, 2024173 Mbps24 Mbps41 ms
June 17, 2024323 Mbps23 Mbps16 ms
June 17, 2024250 Mbps23 Mbps7 ms
June 17, 2024228 Mbps41 Mbps7 ms
June 17, 2024368 Mbps6 Mbps17 ms
June 17, 202492 Mbps17 Mbps5 ms
June 17, 2024485 Mbps24 Mbps7 ms
June 17, 2024581 Mbps1 Mbps8 ms

AT&T

DSL
Fiber

Download Speed

80Mbps

Upload Speed

30Mbps

Latency

8ms

Overview

AT&T is the 2nd most popular provider in Castro Valley offering DSL and fiber internet service. Users have been getting 80 Mbps for download speeds and 30 Mbps for upload speeds over 3,605 recent tests.

Performance Breakdown

AT&T has the 2nd fastest average download speed, the fastest average upload speed, and the lowest latency out of all of the providers in Castro Valley. 24% of users saw download speeds between 50-100 Mbps, and 22% of users saw upload speeds faster than 250 Mbps.

Download Speeds

Upload Speeds

Recent AT&T Speed Tests in Castro Valley

DateDownload SpeedUpload SpeedLatency
June 17, 202453 Mbps11 Mbps22 ms
June 17, 2024369 Mbps110 Mbps6 ms
June 17, 202454 Mbps11 Mbps23 ms
June 17, 202419 Mbps2 Mbps25 ms
June 17, 2024121 Mbps8 Mbps28 ms
June 17, 202430 Mbps7 Mbps24 ms
June 17, 202471 Mbps7 Mbps22 ms
June 17, 2024413 Mbps384 Mbps28 ms
June 17, 202425 Mbps1 Mbps35 ms
June 17, 202430 Mbps3 Mbps27 ms

Etheric Networks

Fixed Wireless

Download Speed

30Mbps

Upload Speed

17Mbps

Latency

11ms

Overview

Etheric Networks is the 3rd most popular provider in Castro Valley offering fixed wireless internet service. Users have been getting 30 Mbps for download speeds and 17 Mbps for upload speeds over 81 recent tests.

Performance Breakdown

Etheric Networks has the 3rd fastest average download speed, the 3rd fastest average upload speed, and the 2nd lowest latency out of all of the providers in Castro Valley. 28% of users saw download speeds between 50-100 Mbps, and 31% of users saw upload speeds between 25-50 Mbps.

Download Speeds

Upload Speeds

Recent Etheric Networks Speed Tests in Castro Valley

DateDownload SpeedUpload SpeedLatency
June 1, 20241 Mbps6 Mbps11 ms
May 24, 202479 Mbps51 Mbps24 ms

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Frequently Asked Questions

What internet providers are available in Castro Valley, CA?

Xfinity, AT&T and Etheric Networks currently operate in Castro Valley.

What is the most popular internet provider in Castro Valley, CA?

Xfinity is currently the most popular internet provider in Castro Valley based on the number of speed tests in the last 3 months.

What is the fastest internet provider in Castro Valley, CA?

The fastest internet provider for you is going to differ based on your needs, and which providers actually serve your home. However, when it comes to the real speeds users in Castro Valley are getting, Xfinity provides the fastest download and upload speeds.

Is there fiber internet in Castro Valley, CA?

AT&T and Xfinity provide fiber internet in Castro Valley.