221.121.0.0/18
Currently announced by AS7602 Saigon Postel Corp., in the routed prefix 221.121.0.0/18.
- Current ASN
- AS7602
- Saigon Postel Corp.
- Routed prefix
- 221.121.0.0/18
- Most specific route covering this prefix
- ASNs over time
- 1
- 1 announcement record
- RIR allocation
- APNIC
- Vietnam · 221.121.0.0/18
Routing data · Nov 1, 2026, 22:23 UTC
ASN historyEvery routed prefix covering 221.121.0.0/18
| Prefix | ASN | Name | Registered country | First seen (UTC) | Last seen (UTC) | Status |
|---|---|---|---|---|---|---|
| 221.121.0.0/18 | AS7602 | Saigon Postel Corp. |  Vietnam | Before monitoring | 2026-11-01 22:23 | Announcing |
More specific routes9 total
| Prefix | ASN | Name | Registered country | First seen (UTC) | Last seen (UTC) | Status |
|---|---|---|---|---|---|---|
| 221.121.0.0/24 | AS7602 | Saigon Postel Corp. | Vietnam | Before monitoring | 2026-11-01 22:23 | Announcing |
| 221.121.1.0/24 | AS7602 | Saigon Postel Corp. | Vietnam | Before monitoring | 2026-11-01 22:23 | Announcing |
| 221.121.2.0/24 | AS7602 | Saigon Postel Corp. | Vietnam | Before monitoring | 2026-11-01 22:23 | Announcing |
| 221.121.3.0/24 | AS7602 | Saigon Postel Corp. | Vietnam | Before monitoring | 2026-11-01 22:23 | Announcing |
| 221.121.4.0/24 | AS7602 | Saigon Postel Corp. | Vietnam | Before monitoring | 2026-11-01 22:23 | Announcing |
| 221.121.5.0/24 | AS7602 | Saigon Postel Corp. | Vietnam | Before monitoring | 2026-11-01 22:23 | Announcing |
| 221.121.6.0/24 | AS7602 | Saigon Postel Corp. | Vietnam | Before monitoring | 2026-11-01 22:23 | Announcing |
| 221.121.7.0/24 | AS7602 | Saigon Postel Corp. | Vietnam | Before monitoring | 2026-11-01 22:23 | Announcing |
| 221.121.60.0/24 | AS7602 | Saigon Postel Corp. | Vietnam | 2026-10-31 22:25 | 2026-11-01 00:27 | Stopped |
Change logAll changes
The routes covering this address have had no origin changes since ASNBase started monitoring.