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 43 Mbps and an average upload speed of 11 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 | 43 Mbps | 11 Mbps | 23 ms |
| Spectrum Cable | 143 Mbps | 14 Mbps | 11 ms |
| GeoLinks Fixed Wireless | 25 Mbps | 12 Mbps | 10 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 43 Mbps for download speeds and 11 Mbps for upload speeds over 2,053 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. 35% of users saw download speeds between 50-100 Mbps, and 45% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| June 17, 2024 | 141 Mbps | 142 Mbps | 6 ms |
| June 17, 2024 | 81 Mbps | 20 Mbps | 21 ms |
| June 17, 2024 | 45 Mbps | 1 Mbps | 23 ms |
| June 17, 2024 | 89 Mbps | 7 Mbps | 24 ms |
| June 17, 2024 | 75 Mbps | 17 Mbps | 26 ms |
| June 17, 2024 | 18 Mbps | 15 Mbps | 23 ms |
| June 17, 2024 | 1 Mbps | 1 Mbps | 24 ms |
| June 17, 2024 | 9 Mbps | 1 Mbps | 97 ms |
| June 16, 2024 | 141 Mbps | 142 Mbps | 4 ms |
| June 16, 2024 | 81 Mbps | 20 Mbps | 21 ms |
Spectrum is the 2nd most popular provider in Castaic offering cable internet service. Users have been getting 143 Mbps for download speeds and 14 Mbps for upload speeds over 662 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 250-500 Mbps, and 60% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| June 17, 2024 | 2 Mbps | 10 Mbps | 70 ms |
| June 17, 2024 | 372 Mbps | 11 Mbps | 6 ms |
| June 17, 2024 | 640 Mbps | 40 Mbps | 8 ms |
| June 17, 2024 | 206 Mbps | 11 Mbps | 20 ms |
| June 16, 2024 | 14 Mbps | 7 Mbps | 53 ms |
| June 16, 2024 | 370 Mbps | 11 Mbps | 5 ms |
| June 16, 2024 | 4 Mbps | 13 Mbps | 24 ms |
| June 16, 2024 | 252 Mbps | 11 Mbps | 6 ms |
| June 15, 2024 | 1 Mbps | 2 Mbps | 103 ms |
| June 15, 2024 | 535 Mbps | 15 Mbps | 6 ms |
GeoLinks is the 3rd most popular provider in Castaic offering fixed wireless internet service. Users have been getting 25 Mbps for download speeds and 12 Mbps for upload speeds over 17 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. 36% of users saw download speeds between 25-50 Mbps, and 45% of users saw upload speeds slower than 5 Mbps.
Download Speeds
Upload Speeds
We’ll run a download test and an upload test to give you the full picture of your internet connection.