| IP: | 221.146.121.88 |
| Country: | |
| Region: | 11 |
| City: | Seongdong-gu |
| Latitude: | 37.5415 |
| Longitude: | 127.0252 |
| Zip code: | 047 |
| Reverse DNS: | 221.146.121.88 |
| Timezone: | Asia/Seoul (2026-03-22 12:31 KST) |
| Class A: | 221 |
| Class B: | 221.146 |
| Class C: | 221.146.121 |
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