Residents of Altadena have 2 internet providers to choose from. The most popular provider is AT&T, which offers DSL and fiber internet service. Over 3,340 recent tests, our research shows that AT&T customers have been getting 150 Mbps for download speeds and 91 Mbps for upload speeds. In addition to AT&T, cable internet service is also available from Spectrum.
While these are the real speeds we have been seeing in recent tests, there are many factors that affect download and upload speeds, so your actual service may differ.
| Provider | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| AT&T DSL Fiber | 150 Mbps | 91 Mbps | 5 ms |
| Spectrum Cable | 186 Mbps | 11 Mbps | 10 ms |
| * Data from speed tests taken in the last 3 months | |||
AT&T is the most popular provider in Altadena offering DSL and fiber internet service. Users have been getting 150 Mbps for download speeds and 91 Mbps for upload speeds over 3,340 recent tests.
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 Altadena. 21% of users saw download speeds between 250-500 Mbps, and 28% of users saw upload speeds faster than 250 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| September 24, 2023 | 3 Mbps | 1 Mbps | 6 ms |
| September 24, 2023 | 121 Mbps | 1 Mbps | 4 ms |
| September 24, 2023 | 55 Mbps | 25 Mbps | 12 ms |
| September 24, 2023 | 2 Mbps | 1 Mbps | 8 ms |
| September 24, 2023 | 183 Mbps | 62 Mbps | 6 ms |
| September 24, 2023 | 444 Mbps | 124 Mbps | 5 ms |
| September 24, 2023 | 93 Mbps | 92 Mbps | 3 ms |
| September 24, 2023 | 94 Mbps | 92 Mbps | 5 ms |
| September 24, 2023 | 930 Mbps | 873 Mbps | 1 ms |
| September 24, 2023 | 363 Mbps | 353 Mbps | 2 ms |
Spectrum is the 2nd most popular provider in Altadena offering cable internet service. Users have been getting 186 Mbps for download speeds and 11 Mbps for upload speeds over 1,848 recent tests.
Spectrum has the fastest average download speed, the 2nd fastest average upload speed, and the 2nd lowest latency out of all of the providers in Altadena. 36% of users saw download speeds between 250-500 Mbps, and 61% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| September 24, 2023 | 188 Mbps | 11 Mbps | n/a ms |
| September 24, 2023 | 11 Mbps | 9 Mbps | 14 ms |
| September 24, 2023 | 821 Mbps | 38 Mbps | 10 ms |
| September 24, 2023 | 306 Mbps | 22 Mbps | n/a ms |
| September 24, 2023 | 42 Mbps | 19 Mbps | 10 ms |
| September 24, 2023 | 232 Mbps | 1 Mbps | 52 ms |
| September 24, 2023 | 101 Mbps | 2 Mbps | 8 ms |
| September 24, 2023 | 18 Mbps | 4 Mbps | 14 ms |
| September 24, 2023 | 342 Mbps | 11 Mbps | 13 ms |
| September 24, 2023 | 3 Mbps | 1 Mbps | 54 ms |
We’ll run a download test and an upload test to give you the full picture of your internet connection.