147.72.252.0/22
Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-06-13 | Current | AS9 | Carnegie Mellon University |
| 2026-06-13 | Current | AS36407 | Software Engineering Institute |
147.72.252.0/22Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-06-13 | Current | AS9 | Carnegie Mellon University |
| 2026-06-13 | Current | AS36407 | Software Engineering Institute |