221.12.31.* Ptr List
China zhejiang hangzhou unicom
| Index | iP | PTR | Add time | Last found time |
|---|---|---|---|---|
| 1 | 221.12.31.0 | 221-12-31-0.zjnetcom.com. | 2020-09-23 | 2026-04-11 |
| 2 | 221.12.31.1 | 221-12-31-1.zjnetcom.com. | 2020-09-23 | 2026-04-11 |
| 3 | 221.12.31.13 | smtp.h3c.com. | 2020-09-23 | 2026-04-11 |
| 4 | 221.12.31.56 | smtp.h3c.com. | 2020-09-23 | 2026-04-11 |
| 5 | 221.12.31.63 | edm.h3c.com. | 2020-09-23 | 2026-04-11 |
Related website in 221.12.31.0/24 Location history in 221.12.31.0/24
Copyright © 2026 ptrdb.com all right reserved.
