In Castle Rock there are 2 internet service providers, with Xfinity being the most popular. Xfinity offers cable and fiber internet service. In recent tests, Xfinity customers had an average download speed of 202 Mbps and an average upload speed of 19 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 Fiber | 202 Mbps | 19 Mbps | 7 ms |
| CenturyLink DSL Fiber | 67 Mbps | 28 Mbps | 7 ms |
| * Data from speed tests taken in the last 3 months | |||
Xfinity is the most popular provider in Castle Rock offering cable and fiber internet service. Users have been getting 202 Mbps for download speeds and 19 Mbps for upload speeds over 20,926 recent tests.
Xfinity has the fastest average download speed, the 2nd fastest average upload speed, and the lowest latency out of all of the providers in Castle Rock. 31% of users saw download speeds between 100-250 Mbps, and 49% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| March 16, 2024 | 217 Mbps | 41 Mbps | 4 ms |
| March 16, 2024 | 106 Mbps | 107 Mbps | 2 ms |
| March 16, 2024 | 93 Mbps | 11 Mbps | 5 ms |
| March 16, 2024 | 119 Mbps | 24 Mbps | 6 ms |
| March 16, 2024 | 383 Mbps | 22 Mbps | 10 ms |
| March 16, 2024 | 160 Mbps | 6 Mbps | 9 ms |
| March 16, 2024 | 94 Mbps | 11 Mbps | 9 ms |
| March 16, 2024 | 93 Mbps | 24 Mbps | 5 ms |
| March 16, 2024 | 2 Mbps | 16 Mbps | 52 ms |
| March 16, 2024 | 158 Mbps | 40 Mbps | 4 ms |
CenturyLink is the 2nd most popular provider in Castle Rock offering DSL and fiber internet service. Users have been getting 67 Mbps for download speeds and 28 Mbps for upload speeds over 744 recent tests.
CenturyLink has the 2nd fastest average download speed, the fastest average upload speed, and the 2nd lowest latency out of all of the providers in Castle Rock. 21% of users saw download speeds between 50-100 Mbps, and 26% of users saw upload speeds slower than 5 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| March 16, 2024 | 5 Mbps | 1 Mbps | 34 ms |
| March 16, 2024 | 43 Mbps | 6 Mbps | 22 ms |
| March 15, 2024 | 9 Mbps | 5 Mbps | 3 ms |
| March 15, 2024 | 19 Mbps | 46 Mbps | 11 ms |
| March 15, 2024 | 43 Mbps | 6 Mbps | 21 ms |
| March 15, 2024 | 40 Mbps | 2 Mbps | 22 ms |
| March 15, 2024 | 20 Mbps | 2 Mbps | 25 ms |
| March 15, 2024 | 2 Mbps | 1 Mbps | 66 ms |
| March 15, 2024 | 29 Mbps | 1 Mbps | 29 ms |
| March 15, 2024 | 26 Mbps | 2 Mbps | 18 ms |
We’ll run a download test and an upload test to give you the full picture of your internet connection.