18.66.40.0/23
Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-10-21 | 2026-11-06 | AS16509 | Amazon.com, Inc. |
| 2026-06-13 | 2026-09-17 | AS16509 | Amazon.com, Inc. |
18.66.40.0/23Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-10-21 | 2026-11-06 | AS16509 | Amazon.com, Inc. |
| 2026-06-13 | 2026-09-17 | AS16509 | Amazon.com, Inc. |