18.244.32.0/21
Currently announced by AS16509 Amazon.com, in the routed prefix 18.244.32.0/21.
- Current ASN
- AS16509
- Amazon.com
- Routed prefix
- 18.244.32.0/21
- Most specific route covering this prefix
- ASNs over time
- 1
- 1 announcement record
- RIR allocation
- ARIN
- United States · 18.128.0.0/9
Routing data · Nov 8, 2026, 12:23 UTC
ASN historyEvery routed prefix covering 18.244.32.0/21
| Prefix | ASN | Name | Registered country | First seen (UTC) | Last seen (UTC) | Status |
|---|---|---|---|---|---|---|
| 18.244.32.0/21 | AS16509 | Amazon.com |  United States | Before monitoring | 2026-11-08 12:23 | Announcing |
More specific routes8 total
| Prefix | ASN | Name | Registered country | First seen (UTC) | Last seen (UTC) | Status |
|---|---|---|---|---|---|---|
| 18.244.32.0/24 | AS16509 | Amazon.com | United States | Before monitoring | 2026-11-03 08:23 | Stopped |
| 18.244.33.0/24 | AS16509 | Amazon.com | United States | Before monitoring | 2026-11-03 04:47 | Stopped |
| 18.244.34.0/24 | AS16509 | Amazon.com | United States | Before monitoring | 2026-11-03 08:23 | Stopped |
| 18.244.35.0/24 | AS16509 | Amazon.com | United States | Before monitoring | 2026-11-03 08:23 | Stopped |
| 18.244.36.0/24 | AS16509 | Amazon.com | United States | Before monitoring | 2026-11-03 08:23 | Stopped |
| 18.244.37.0/24 | AS16509 | Amazon.com | United States | Before monitoring | 2026-11-03 08:23 | Stopped |
| 18.244.38.0/24 | AS16509 | Amazon.com | United States | Before monitoring | 2026-11-03 08:23 | Stopped |
| 18.244.39.0/24 | AS16509 | Amazon.com | United States | Before monitoring | 2026-11-03 04:47 | Stopped |
Change logAll changes
The routes covering this address have had no origin changes since ASNBase started monitoring.