In Castaic there are 3 internet service providers, with AT&T being the most popular. AT&T offers DSL and fixed wireless internet service. In recent tests, AT&T customers had an average download speed of 31 Mbps and an average upload speed of 6 Mbps. In addition to AT&T, Spectrum and GeoLinks offer cable and fixed wireless internet service.
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 |
|---|---|---|---|
| AT&T DSL Fixed Wireless | 31 Mbps | 6 Mbps | 23 ms |
| Spectrum Cable | 62 Mbps | 11 Mbps | 11 ms |
| GeoLinks Fixed Wireless | 9 Mbps | 7 Mbps | 8 ms |
| * Data from speed tests taken in the last 3 months | |||
AT&T is the most popular provider in Castaic offering DSL and fixed wireless internet service. Users have been getting 31 Mbps for download speeds and 6 Mbps for upload speeds over 1,095 recent tests.
AT&T has the 2nd fastest average download speed, the 3rd fastest average upload speed, and the 3rd lowest latency out of all of the providers in Castaic. 43% of users saw download speeds between 25-50 Mbps, and 36% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| February 2, 2023 | 80 Mbps | 20 Mbps | 27 ms |
| February 2, 2023 | 4 Mbps | 1 Mbps | 23 ms |
| February 2, 2023 | 54 Mbps | 12 Mbps | 22 ms |
| February 2, 2023 | 48 Mbps | 7 Mbps | 25 ms |
| February 2, 2023 | 29 Mbps | 4 Mbps | 19 ms |
| February 2, 2023 | 51 Mbps | 12 Mbps | 24 ms |
| February 2, 2023 | 27 Mbps | 6 Mbps | 34 ms |
| February 1, 2023 | 28 Mbps | 2 Mbps | 24 ms |
| February 1, 2023 | 39 Mbps | 8 Mbps | 31 ms |
| February 1, 2023 | 1 Mbps | 4 Mbps | 27 ms |
Spectrum is the 2nd most popular provider in Castaic offering cable internet service. Users have been getting 62 Mbps for download speeds and 11 Mbps for upload speeds over 218 recent tests.
Spectrum has the fastest average download speed, the fastest average upload speed, and the 2nd lowest latency out of all of the providers in Castaic. 27% of users saw download speeds between 50-100 Mbps, and 76% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| February 2, 2023 | 66 Mbps | 11 Mbps | 9 ms |
| February 2, 2023 | 365 Mbps | 10 Mbps | 5 ms |
| February 1, 2023 | 44 Mbps | 11 Mbps | 6 ms |
| January 31, 2023 | 48 Mbps | 11 Mbps | 12 ms |
| January 31, 2023 | 90 Mbps | 38 Mbps | 20 ms |
| January 30, 2023 | 57 Mbps | 10 Mbps | 10 ms |
| January 28, 2023 | 36 Mbps | 9 Mbps | 10 ms |
| January 27, 2023 | 45 Mbps | 10 Mbps | 8 ms |
| January 27, 2023 | 125 Mbps | 6 Mbps | 14 ms |
| January 27, 2023 | 370 Mbps | 11 Mbps | 7 ms |
GeoLinks is the 3rd most popular provider in Castaic offering fixed wireless internet service. Users have been getting 9 Mbps for download speeds and 7 Mbps for upload speeds over 7 recent tests.
GeoLinks has the 3rd fastest average download speed, the 2nd fastest average upload speed, and the lowest latency out of all of the providers in Castaic. 75% of users saw download speeds slower than 10 Mbps, and 33% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| January 13, 2023 | 69 Mbps | 24 Mbps | 8 ms |
We’ll run a download test and an upload test to give you the full picture of your internet connection.