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 5,413 recent tests, our research shows that AT&T customers have been getting 244 Mbps for download speeds and 120 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 | 244 Mbps | 120 Mbps | 6 ms |
| Spectrum Cable | 184 Mbps | 11 Mbps | 8 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 244 Mbps for download speeds and 120 Mbps for upload speeds over 5,413 recent tests.
AT&T has the fastest average download speed, the fastest average upload speed, and the lowest latency out of all of the providers in Altadena. 29% of users saw download speeds between 250-500 Mbps, and 31% of users saw upload speeds faster than 250 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| June 17, 2024 | 690 Mbps | 335 Mbps | 5 ms |
| June 17, 2024 | 160 Mbps | 30 Mbps | 5 ms |
| June 17, 2024 | 12 Mbps | 3 Mbps | 10 ms |
| June 17, 2024 | 53 Mbps | 11 Mbps | 21 ms |
| June 17, 2024 | 267 Mbps | 166 Mbps | 5 ms |
| June 17, 2024 | 842 Mbps | 668 Mbps | 8 ms |
| June 17, 2024 | 211 Mbps | 56 Mbps | 5 ms |
| June 17, 2024 | 47 Mbps | 48 Mbps | 6 ms |
| June 17, 2024 | 151 Mbps | 136 Mbps | 7 ms |
| June 17, 2024 | 33 Mbps | 10 Mbps | 22 ms |
Spectrum is the 2nd most popular provider in Altadena offering cable internet service. Users have been getting 184 Mbps for download speeds and 11 Mbps for upload speeds over 2,508 recent tests.
Spectrum has the 2nd fastest average download speed, the 2nd fastest average upload speed, and the 2nd lowest latency out of all of the providers in Altadena. 28% of users saw download speeds between 100-250 Mbps, and 57% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| June 17, 2024 | 95 Mbps | 11 Mbps | 6 ms |
| June 17, 2024 | 4 Mbps | 1 Mbps | 13 ms |
| June 17, 2024 | 667 Mbps | 38 Mbps | 13 ms |
| June 17, 2024 | 114 Mbps | 11 Mbps | 10 ms |
| June 17, 2024 | 223 Mbps | 37 Mbps | 8 ms |
| June 17, 2024 | 396 Mbps | 35 Mbps | 10 ms |
| June 17, 2024 | 321 Mbps | 1 Mbps | 4 ms |
| June 17, 2024 | 1 Mbps | 1 Mbps | 27 ms |
| June 17, 2024 | 39 Mbps | 8 Mbps | 7 ms |
| June 16, 2024 | 114 Mbps | 11 Mbps | 10 ms |
We’ll run a download test and an upload test to give you the full picture of your internet connection.