18.66.16.0/21
Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-10-14 | Current | AS16509 | Amazon.com, Inc. |
| 2026-08-20 | 2026-10-02 | AS16509 | Amazon.com, Inc. |
| 2026-07-26 | 2026-08-19 | AS16509 | Amazon.com, Inc. |
| 2026-06-13 | 2026-07-23 | AS16509 | Amazon.com, Inc. |