In Castle Rock there are 2 internet service providers, with Xfinity being the most popular. Xfinity offers cable internet service. In recent tests, Xfinity customers had an average download speed of 387 Mbps and an average upload speed of 17 Mbps. In addition to Xfinity, DSL and fiber internet service is also available from CenturyLink.
While our research has shown these to be the real speeds that users experience, there are many factors that can affect the actual download and upload speeds you will encounter. These may include the type of internet connection you have, the distance between your device and the router, the number of users on the network, and the strength of the signal.
| Provider | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| Xfinity Cable | 387 Mbps | 17 Mbps | 14 ms |
| CenturyLink DSL Fiber | 21 Mbps | 30 Mbps | 13 ms |
| * Data from speed tests taken in the last 3 months | |||
Xfinity is the most popular provider in Castle Rock offering cable internet service. Users have been getting 387 Mbps for download speeds and 17 Mbps for upload speeds over 154 recent tests.
Xfinity has the fastest average download speed, the 2nd fastest average upload speed, and the 2nd lowest latency out of all of the providers in Castle Rock. 50% of users saw download speeds faster than 500 Mbps, and 32% of users saw upload speeds between 100-250 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| March 7, 2024 | 23 Mbps | 9 Mbps | 21 ms |
| March 6, 2024 | 5 Mbps | 4 Mbps | 24 ms |
| March 3, 2024 | 14 Mbps | 1 Mbps | 42 ms |
| February 25, 2024 | 34 Mbps | 12 Mbps | 30 ms |
CenturyLink is the 2nd most popular provider in Castle Rock offering DSL and fiber internet service. Users have been getting 21 Mbps for download speeds and 30 Mbps for upload speeds over 18 recent tests.
CenturyLink has the 2nd fastest average download speed, the fastest average upload speed, and the lowest latency out of all of the providers in Castle Rock. 36% of users saw download speeds between 10-25 Mbps, and 44% of users saw upload speeds between 50-100 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| March 15, 2024 | 94 Mbps | 93 Mbps | 9 ms |
| February 23, 2024 | 41 Mbps | 30 Mbps | 12 ms |
We’ll run a download test and an upload test to give you the full picture of your internet connection.