| Range From | Range To | Organisation |
|---|---|---|
| 216.51.151.240 | 216.51.152.7 |  Aureon Network Services |
| 216.51.152.8 | 216.51.152.15 | Heart of Iowa Communications Cooperative |
| 216.51.152.16 | 216.51.152.23 | Van Buren Telephone Company |
| 216.51.152.24 | 216.51.152.31 | Modern Cooperative Telephone Company |
| 216.51.152.32 | 216.51.152.39 | Central Scott Telephone Co. |
| 216.51.152.40 | 216.51.152.47 | Central Scott Telephone Co. |
| 216.51.152.48 | 216.51.152.55 | Central Scott Telephone Co. |
| 216.51.152.56 | 216.51.152.63 | Aureon Network Services |
| 216.51.152.64 | 216.51.152.127 | La Porte City Telephone Co. |
| 216.51.152.128 | 216.51.152.255 | Cooperative Telephone Exchange |
Showing 1 - 10 of 24 Results