173.10.65.9
(smtp.brownregroup.com)
| Announced By | ||
|---|---|---|
| Origin AS | Announcement | Description |
| AS16509 | 173.0.0.0/11 | Amazon.com Inc. |
| AS7922 |
  |
Comcast Cable Communications LLC |
| AS33650 |
 |
Comcast Cable Communications LLC |
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