212.4.128.0/19
Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-06-13 | Current | AS12570 | O2 Czech Republic, a.s. |
212.4.128.0/19Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-06-13 | Current | AS12570 | O2 Czech Republic, a.s. |