| IP: | 52.131.21.13 |
| Country: | |
| Region: | HE |
| City: | Zhangjiakou |
| Latitude: | 40.7846 |
| Longitude: | 114.8559 |
| Reverse DNS: | 52.131.21.13 |
| Timezone: | Asia/Shanghai (2026-02-23 15:35 CST) |
| Class A: | 52 |
| Class B: | 52.131 |
| Class C: | 52.131.21 |
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