| Prefix-preserving IP address anonymization: measurement-based security evaluation and a new cryptography-based scheme Recent countries visiting this post |  |
 | 11 | United States |
 | 3 | Canada |
 | 1 | Europe |
| Prefix-preserving IP address anonymization: measurement-based security evaluation and a new cryptography-based scheme Recent countries visiting this post | |
| 11 | United States |
| 3 | Canada |
| 1 | Europe |