| 63.229.242.200 | 63.229.242.255 | CenturyLink Communications, LLC |
| 63.229.243.0 | 63.229.243.255 | Qwest Communications Company, LLC |
| 63.229.244.0 | 63.229.244.255 | Qwest Communications Company, LLC |
| 63.229.245.0 | 63.229.245.255 | Qwest Communications Company, LLC |
| 63.229.246.0 | 63.229.247.191 | CenturyLink Communications, LLC |
| 63.229.247.192 | 63.229.247.255 | Genesis Health System |
| 63.229.248.0 | 63.229.248.255 | Longmont United Hospital |
| 63.229.249.0 | 63.229.250.31 | CenturyLink Communications, LLC |
| 63.229.250.32 | 63.229.250.39 | RAY FEDERAL CREDIT UNION |
| 63.229.250.40 | 63.229.250.63 | CenturyLink Communications, LLC |