192.174.72.0/21
Currently announced by AS55028 Kiewit Corporation, in the routed prefix 192.174.72.0/21.
- Current ASN
- AS55028
- Kiewit Corporation
- Routed prefix
- 192.174.72.0/21
- Most specific route covering this prefix
- ASNs over time
- 1
- 1 announcement record
- RIR allocation
- ARIN
- United States · 192.174.72.0/21
Routing data · Nov 8, 2026, 10:26 UTC
ASN historyEvery routed prefix covering 192.174.72.0/21
| Prefix | ASN | Name | Registered country | First seen (UTC) | Last seen (UTC) | Status |
|---|---|---|---|---|---|---|
| 192.174.72.0/21 | AS55028 | Kiewit Corporation |  United States | Before monitoring | 2026-11-08 10:26 | Announcing |
More specific routes5 total
| Prefix | ASN | Name | Registered country | First seen (UTC) | Last seen (UTC) | Status |
|---|---|---|---|---|---|---|
| 192.174.72.0/23 | AS55028 | Kiewit Corporation | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 192.174.74.0/24 | AS55028 | Kiewit Corporation | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 192.174.75.0/24 | AS55028 | Kiewit Corporation | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 192.174.76.0/24 | AS55028 | Kiewit Corporation | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 192.174.78.0/24 | AS55028 | Kiewit Corporation | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
Change logAll changes
The routes covering this address have had no origin changes since ASNBase started monitoring.