| 23.247.204.0/22 | 339 1st Ave NE PO Box 200 Sioux Center IA 51250 United State | 1K | US |
| 64.29.184.0/22 | FIBERNET-COMMUNICATIONS | 1K | US |
| 167.142.108.0/23 | River Valley Telecommunications Coop | 512 | US |
| 173.215.56.0/23 | West Iowa Telephone Company/WesTel Systems | 512 | US |
| 198.211.136.0/23 | West Iowa Telephone Company/WesTel Systems | 512 | US |
| 207.177.20.0/23 | West Iowa Telephone Company/WesTel Systems | 512 | US |
| 208.126.180.0/23 | West Iowa Telephone Company/WesTel Systems | 512 | US |
| 208.126.194.0/23 | Ringsted Telephone Company | 512 | US |
| 167.142.149.0/24 | NICP | 256 | US |
| 167.142.34.0/24 | River Valley Telecommunications | 256 | US |
| 173.215.55.0/24 | West Iowa Telephone Company/WesTel Systems | 256 | US |
| 199.120.101.0/24 | River Valley Telecommunications | 256 | US |
| 199.120.82.0/24 | West Iowa Telephone Company/WesTel Systems | 256 | US |
| 199.120.83.0/24 | West Iowa Telephone Company/WesTel Systems | 256 | US |
| 206.72.51.0/24 | FIBERNET-COMMUNICATIONS | 256 | US |
| 207.177.10.0/24 | West Iowa Telephone Company/WesTel Systems | 256 | US |
| 207.177.15.0/24 | River Valley Telecommunications | 256 | US |
| 207.177.21.0/24 | West Iowa Telephone Company/WesTel Systems | 256 | US |
| 207.177.39.0/24 | West Iowa Telephone Company/WesTel Systems | 256 | US |
| 207.177.53.0/24 | West Iowa Telephone Company/WesTel Systems | 256 | US |
| 207.177.77.0/24 | West Iowa Telephone Company/WesTel Systems | 256 | US |
| 207.177.92.0/24 | West Iowa Telephone Company/WesTel Systems | 256 | US |
| 207.177.93.0/24 | West Iowa Telephone Company/WesTel Systems | 256 | US |
| 207.32.15.0/24 | FIBERNET-COMMUNICATIONS | 256 | US |
| 207.32.34.0/24 | West Iowa Telephone Company/WesTel Systems | 256 | US |
| 207.32.39.0/24 | FIBERNET-COMMUNICATIONS | 256 | US |
| 207.32.44.0/24 | West Iowa Telephone Company/WesTel Systems | 256 | US |
| 208.126.145.0/24 | River Valley Telecommunications | 256 | US |
| 208.126.154.0/24 | River Valley Telecommunications | 256 | US |
| 208.126.155.0/24 | River Valley Telecommunications | 256 | US |
| 208.126.172.0/24 | West Iowa Telephone Company/WesTel Systems | 256 | US |
| 208.126.173.0/24 | River Valley Telecommunications | 256 | US |
| 208.126.208.0/24 | Terril Telephone Company | 256 | US |
| 208.126.72.0/24 | Lone Rock Cooperative Telephone | 256 | US |
| 208.126.84.0/24 | Titonka-Burt Communications | 256 | US |
| 216.51.184.0/24 | CML Telephone | 256 | US |
| 216.51.202.0/24 | CML Telephone | 256 | US |
| 216.51.231.0/24 | NICP | 256 | US |
| 67.55.137.0/24 | Terril Telephone Company | 256 | US |
| 70.39.13.0/24 | Ringsted Telephone Company | 256 | US |