140.157.0.0/16
Currently announced by AS197 Raytheon Company, in the routed prefix 140.157.0.0/16.
- Current ASN
- AS197
- Raytheon Company
- Routed prefix
- 140.157.0.0/16
- Most specific route covering this prefix
- ASNs over time
- 1
- 1 announcement record
- RIR allocation
- ARIN
- United States · 140.157.0.0/16
Routing data · Oct 22, 2026, 20:21 UTC
ASN historyEvery routed prefix covering 140.157.0.0/16
| Prefix | ASN | Name | Registered country | First seen (UTC) | Last seen (UTC) | Status |
|---|---|---|---|---|---|---|
| 140.157.0.0/16 | AS197 | Raytheon Company |  United States | 2026-10-22 14:18 | 2026-10-22 20:21 | Announcing |
More specific routes4 total
| Prefix | ASN | Name | Registered country | First seen (UTC) | Last seen (UTC) | Status |
|---|---|---|---|---|---|---|
| 140.157.66.0/24 | AS1341 | Rockwell Collins, Inc. | United States | Before monitoring | 2026-10-22 20:21 | Announcing |
| 140.157.78.0/23 | AS15063 | Pratt and Whitney | United States | Before monitoring | 2026-10-22 20:21 | Announcing |
| 140.157.78.0/24 | AS15063 | Pratt and Whitney | United States | Before monitoring | 2026-10-22 20:21 | Announcing |
| 140.157.218.0/23 | AS1341 | Rockwell Collins, Inc. | United States | Before monitoring | 2026-10-22 20:21 | Announcing |
Change logAll changes
| Detected (UTC) | Prefix | Change | ASN | Name | Previous ASN | Country |
|---|---|---|---|---|---|---|
| 2026-10-22 14:18 | 140.157.0.0/16 | New announcement | AS197 | Raytheon Company | — | United States |