140.131.4.0/22
Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-08-23 | 2026-08-25 | AS17716 | National Taiwan University |
| 2026-07-23 | 2026-08-23 | AS1659 | Taiwan Academic Network (TANet) Information Center |
| 2026-06-13 | 2026-07-19 | AS1659 | Taiwan Academic Network (TANet) Information Center |