| IP: | 133.51.166.139 |
| Country: | |
| Region: | 08 |
| City: | Tsukuba |
| Latitude: | 36.0705 |
| Longitude: | 140.0855 |
| Zip code: | 305-0831 |
| Reverse DNS: | 133.51.166.139 |
| Timezone: | Asia/Tokyo (2026-04-30 12:23 JST) |
| Class A: | 133 |
| Class B: | 133.51 |
| Class C: | 133.51.166 |
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