221.133.20.0/22
Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-07-09 | 2026-09-25 | AS7602 | Sai gon Postel Corporation |
| 2026-06-13 | 2026-07-03 | AS7602 | Sai gon Postel Corporation |
221.133.20.0/22Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-07-09 | 2026-09-25 | AS7602 | Sai gon Postel Corporation |
| 2026-06-13 | 2026-07-03 | AS7602 | Sai gon Postel Corporation |