221.0.175.195
(mail.yydy.com)
| Announced By | ||
|---|---|---|
| Origin AS | Announcement | Description |
| AS4766 | 221.0.0.0/13 | Korea Telecom |
| AS4837 |
 |
CHINA UNICOM China169 Backbone |
| AS9304 |
 |
HGC Global Communications Limited |
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