ASTN
| Acronym | Definition |
|---|---|
| ASTN | Automatic Switched Transport Network |
| ASTN | Automatic Switched Transport Network (optical networks) |
| ASTN | Automatically Switched Transport Network (ITU-T) |
| ASTN | Astern |
| ASTN | Automotive Satellite Television Network |
| ASTN | Astronomic |
| ASTN | Alternate Signaling Transport Network (AT&T) |
| ASTN | Association of Secretary-Treasurers of Nunavik (Quebec, Canada) |