38.97.121.21 (mail1.bostonproperties.com)
| Announced By | ||
|---|---|---|
| Origin AS | Announcement | Description |
| AS174 | 38.0.0.0/8  | Cogent Communications, LLC |
| AS30140 | 38.97.120.0/23 | BOSTON PROPERTIES LIMITED PARTNERSHIP |
| AS30140 | 38.97.121.0/24 | BOSTON PROPERTIES LIMITED PARTNERSHIP |
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