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8 prefixes originated by AS55028
IPv4 Prefixes (6)
| Prefix | Description | IPs | CC |
|---|
| 192.174.72.0/21 | Kiewit Corp IPv4 Block 3555 Farnam St Omaha, NE 68131 United | 2K | US |
| 192.174.72.0/23 | Kiewit Corp IPv4 North Central US 3555 Farnam St Omaha, NE 6 | 512 | US |
| 192.174.74.0/24 | Kiewit Corp IPv4 West US 3555 Farnam St Omaha, NE 68131 Unit | 256 | US |
| 192.174.75.0/24 | Kiewit Corp IPv4 East US 3555 Farnam St Omaha, NE 68131 Unit | 256 | US |
| 192.174.76.0/24 | Kiewit Corp IPv4 South Central US 3555 Farnam St Omaha, NE 6 | 256 | US |
| 192.174.78.0/24 | Kiewit Corp IPv4 Internet Services 3555 Farnam St Omaha, NE | 256 | US |
IPv6 Prefixes (2)