In Diamond Bar there are 3 internet service providers, with Spectrum being the most popular. Spectrum offers cable and fiber internet service. In recent tests, Spectrum customers had an average download speed of 135 Mbps and an average upload speed of 11 Mbps. In addition to Spectrum, Frontier Communications and One Ring Networks offer DSL, fiber 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 |
|---|---|---|---|
| Spectrum Cable Fiber | 135 Mbps | 11 Mbps | 11 ms |
| Frontier Communications DSL Fiber | 130 Mbps | 108 Mbps | 6 ms |
| One Ring Networks Fixed Wireless | 29 Mbps | 32 Mbps | 6 ms |
| * Data from speed tests taken in the last 3 months | |||
Spectrum is the most popular provider in Diamond Bar offering cable and fiber internet service. Users have been getting 135 Mbps for download speeds and 11 Mbps for upload speeds over 5,461 recent tests.
Spectrum has the fastest average download speed, the 3rd fastest average upload speed, and the 3rd lowest latency out of all of the providers in Diamond Bar. 27% of users saw download speeds between 250-500 Mbps, and 57% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| February 2, 2023 | 1 Mbps | 4 Mbps | 13 ms |
| February 2, 2023 | 111 Mbps | 8 Mbps | 7 ms |
| February 2, 2023 | 232 Mbps | 23 Mbps | n/a ms |
| February 2, 2023 | 69 Mbps | 6 Mbps | 15 ms |
| February 2, 2023 | 34 Mbps | 5 Mbps | 15 ms |
| February 2, 2023 | 802 Mbps | 31 Mbps | 20 ms |
| February 2, 2023 | 354 Mbps | 12 Mbps | 11 ms |
| February 2, 2023 | 372 Mbps | 12 Mbps | 8 ms |
| February 2, 2023 | 130 Mbps | 38 Mbps | 12 ms |
| February 2, 2023 | 366 Mbps | 11 Mbps | n/a ms |
Frontier Communications is the 2nd most popular provider in Diamond Bar offering DSL and fiber internet service. Users have been getting 130 Mbps for download speeds and 108 Mbps for upload speeds over 1,869 recent tests.
Frontier Communications has the 2nd fastest average download speed, the fastest average upload speed, and the 2nd lowest latency out of all of the providers in Diamond Bar. 28% of users saw download speeds between 250-500 Mbps, and 28% of users saw upload speeds between 100-250 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| February 2, 2023 | 481 Mbps | 178 Mbps | 11 ms |
| February 1, 2023 | 75 Mbps | 4 Mbps | 11 ms |
| February 1, 2023 | 293 Mbps | 215 Mbps | 8 ms |
| January 31, 2023 | 24 Mbps | 55 Mbps | 7 ms |
| January 30, 2023 | 813 Mbps | 695 Mbps | 8 ms |
| January 29, 2023 | 25 Mbps | 61 Mbps | 8 ms |
| January 29, 2023 | 352 Mbps | 1 Mbps | 8 ms |
| January 29, 2023 | 24 Mbps | 24 Mbps | 8 ms |
| January 29, 2023 | 73 Mbps | 4 Mbps | 12 ms |
| January 26, 2023 | 85 Mbps | 108 Mbps | 5 ms |
One Ring Networks is the 3rd most popular provider in Diamond Bar offering fixed wireless internet service. Users have been getting 29 Mbps for download speeds and 32 Mbps for upload speeds over 99 recent tests.
One Ring Networks has the 3rd fastest average download speed, the 2nd fastest average upload speed, and the lowest latency out of all of the providers in Diamond Bar. 38% of users saw download speeds between 25-50 Mbps, and 46% of users saw upload speeds between 25-50 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| January 30, 2023 | 29 Mbps | 25 Mbps | 7 ms |
| January 27, 2023 | 31 Mbps | 8 Mbps | 7 ms |
| January 25, 2023 | 57 Mbps | 52 Mbps | 4 ms |
| January 19, 2023 | 55 Mbps | 51 Mbps | 3 ms |
| January 18, 2023 | 17 Mbps | 8 Mbps | 11 ms |
| January 16, 2023 | 131 Mbps | 75 Mbps | 7 ms |
| January 13, 2023 | 70 Mbps | 55 Mbps | 4 ms |
| January 11, 2023 | 68 Mbps | 28 Mbps | 4 ms |
| January 9, 2023 | 29 Mbps | 14 Mbps | 5 ms |
| January 9, 2023 | 18 Mbps | 16 Mbps | 12 ms |
We’ll run a download test and an upload test to give you the full picture of your internet connection.