| 65.133.0.0 | 65.133.0.255 | Qwest Communications Company, LLC |
| 65.133.1.0 | 65.133.4.255 | CenturyLink Communications, LLC |
| 65.133.5.0 | 65.133.5.255 | Qwest Communications Company, LLC |
| 65.133.6.0 | 65.133.10.79 | CenturyLink Communications, LLC |
| 65.133.10.80 | 65.133.10.87 | Select Medical Corporation |
| 65.133.10.88 | 65.133.13.207 | CenturyLink Communications, LLC |
| 65.133.13.208 | 65.133.13.223 | Time Clock Solutions, LLC |
| 65.133.13.224 | 65.133.16.255 | CenturyLink Communications, LLC |
| 65.133.17.0 | 65.133.17.255 | Qwest Communications Company, LLC |
| 65.133.18.0 | 65.133.20.15 | CenturyLink Communications, LLC |