Summary
| ASN | AS1540 Headquarters, USAISC |
| BGP | 147.238.0.0/16 |
| Registry | ARIN |
| Country | US |
| Status | assigned |
| IP Version | IPv4 |
| Allocated | 1991-07-24 |
| Last Updated | 2026-08-26 |
| 147.238.1.0/24 | N/A | 0 | 1 | 1 |
| 147.238.224.0/24 | N/A | 0 | 1 | 1 |
| 147.238.225.0/24 | N/A | 0 | 1 | 1 |
| 147.238.226.0/24 | N/A | 0 | 1 | 1 |