18.172.104.0/21
Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-10-21 | Current | AS16509 | Amazon.com, Inc. |
| 2026-06-13 | 2026-10-02 | AS16509 | Amazon.com, Inc. |
18.172.104.0/21Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-10-21 | Current | AS16509 | Amazon.com, Inc. |
| 2026-06-13 | 2026-10-02 | AS16509 | Amazon.com, Inc. |