| IP: | 121.55.155.78 |
| Country: | |
| Region: | 27 |
| City: | Seo-gu |
| Latitude: | 35.8731 |
| Longitude: | 128.5435 |
| Zip code: | 418 |
| Reverse DNS: | 121.55.155.78 |
| Timezone: | Asia/Seoul (2026-01-14 07:28 KST) |
| Class A: | 121 |
| Class B: | 121.55 |
| Class C: | 121.55.155 |
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