18.239.128.0/21
Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-10-23 | Current | AS16509 | Amazon.com, Inc. |
| 2026-06-13 | 2026-09-12 | AS16509 | Amazon.com, Inc. |
18.239.128.0/21Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-10-23 | Current | AS16509 | Amazon.com, Inc. |
| 2026-06-13 | 2026-09-12 | AS16509 | Amazon.com, Inc. |