| 65.121.244.0 | 65.121.244.255 | Qwest Communications Company, LLC |
| 65.121.245.0 | 65.121.245.255 | THIRD AVENUE MANAGEMENT, LLC |
| 65.121.246.0 | 65.121.246.31 | CenturyLink Communications, LLC |
| 65.121.246.32 | 65.121.246.47 | MIDWEST TELECOM OF AMERICA INC |
| 65.121.246.48 | 65.121.246.63 | PNG TELECOMMUNICATIONS, INC. |
| 65.121.246.64 | 65.121.246.79 | CenturyLink Communications, LLC |
| 65.121.246.80 | 65.121.246.87 | PHILIPS HEALTHCARE INFORMATICS |
| 65.121.246.88 | 65.121.246.159 | CenturyLink Communications, LLC |
| 65.121.246.160 | 65.121.246.167 | FIELDHOUSE |
| 65.121.246.168 | 65.121.246.175 | COUNTRY MUTUAL INSURANCE |