18.239.252.0/22
Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-10-06 | Current | AS16509 | Amazon.com, Inc. |
| 2026-07-11 | 2026-09-22 | AS16509 | Amazon.com, Inc. |
| 2026-06-13 | 2026-07-10 | AS16509 | Amazon.com, Inc. |