18.172.88.0/21
Currently announced by AS16509 Amazon.com, in the routed prefix 18.172.88.0/21.
- Current ASN
- AS16509
- Amazon.com
- Routed prefix
- 18.172.88.0/21
- 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 · Oct 24, 2026, 08:19 UTC
ASN historyEvery routed prefix covering 18.172.88.0/21
| Prefix | ASN | Name | Registered country | First seen (UTC) | Last seen (UTC) | Status |
|---|---|---|---|---|---|---|
| 18.172.88.0/21 | AS16509 | Amazon.com |  United States | Before monitoring | 2026-10-24 08:19 | Announcing |
More specific routes8 total
| Prefix | ASN | Name | Registered country | First seen (UTC) | Last seen (UTC) | Status |
|---|---|---|---|---|---|---|
| 18.172.88.0/24 | AS16509 | Amazon.com | United States | Before monitoring | 2026-10-22 08:21 | Stopped |
| 18.172.89.0/24 | AS16509 | Amazon.com | United States | Before monitoring | 2026-10-22 08:21 | Stopped |
| 18.172.90.0/24 | AS16509 | Amazon.com | United States | Before monitoring | 2026-10-22 08:21 | Stopped |
| 18.172.91.0/24 | AS16509 | Amazon.com | United States | Before monitoring | 2026-10-22 08:21 | Stopped |
| 18.172.92.0/24 | AS16509 | Amazon.com | United States | Before monitoring | 2026-10-22 08:21 | Stopped |
| 18.172.93.0/24 | AS16509 | Amazon.com | United States | Before monitoring | 2026-10-22 08:21 | Stopped |
| 18.172.94.0/24 | AS16509 | Amazon.com | United States | Before monitoring | 2026-10-22 08:21 | Stopped |
| 18.172.95.0/24 | AS16509 | Amazon.com | United States | Before monitoring | 2026-10-22 08:21 | Stopped |
Change logAll changes
The routes covering this address have had no origin changes since ASNBase started monitoring.