Northbrook residents have 2 internet providers to choose from. Xfinity is the most popular provider, offering cable internet service. In our research, we have been seeing 190 Mbps for download speeds and 24 Mbps for upload speeds for Xfinity customers over 9,295 recent tests. In addition to Xfinity, DSL and fiber internet service is also available from AT&T.
See more detailed speed and coverage data below.
| Provider | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| Xfinity Cable | 190 Mbps | 24 Mbps | 7 ms |
| AT&T DSL Fiber | 199 Mbps | 155 Mbps | 6 ms |
| * Data from speed tests taken in the last 3 months | |||
Xfinity is the most popular provider in Northbrook offering cable internet service. Users have been getting 190 Mbps for download speeds and 24 Mbps for upload speeds over 9,295 recent tests.
Xfinity 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 Northbrook. 28% 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 |
|---|---|---|---|
| June 17, 2024 | 58 Mbps | 18 Mbps | 9 ms |
| June 17, 2024 | 65 Mbps | 41 Mbps | 10 ms |
| June 17, 2024 | 353 Mbps | 41 Mbps | 5 ms |
| June 17, 2024 | 780 Mbps | 35 Mbps | 5 ms |
| June 17, 2024 | 15 Mbps | 1 Mbps | 10 ms |
| June 17, 2024 | 350 Mbps | 35 Mbps | 6 ms |
| June 17, 2024 | 317 Mbps | 24 Mbps | 11 ms |
| June 17, 2024 | 352 Mbps | 31 Mbps | 9 ms |
| June 17, 2024 | 436 Mbps | 16 Mbps | 9 ms |
| June 17, 2024 | 318 Mbps | 24 Mbps | 5 ms |
AT&T is the 2nd most popular provider in Northbrook offering DSL and fiber internet service. Users have been getting 199 Mbps for download speeds and 155 Mbps for upload speeds over 5,865 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 Northbrook. 28% of users saw download speeds between 250-500 Mbps, and 38% of users saw upload speeds faster than 250 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| June 17, 2024 | 356 Mbps | 172 Mbps | 6 ms |
| June 17, 2024 | 7 Mbps | 32 Mbps | 4 ms |
| June 17, 2024 | 29 Mbps | 3 Mbps | 21 ms |
| June 17, 2024 | 93 Mbps | 93 Mbps | 21 ms |
| June 17, 2024 | 283 Mbps | 60 Mbps | 6 ms |
| June 17, 2024 | 81 Mbps | 1 Mbps | 23 ms |
| June 17, 2024 | 178 Mbps | 155 Mbps | 3 ms |
| June 17, 2024 | 137 Mbps | 131 Mbps | 7 ms |
| June 17, 2024 | 525 Mbps | 611 Mbps | 3 ms |
| June 17, 2024 | 560 Mbps | 520 Mbps | 4 ms |
We’ll run a download test and an upload test to give you the full picture of your internet connection.