| IP: | 121.135.188.109 |
| Country: | |
| Region: | 11 |
| City: | Seocho-gu |
| Latitude: | 37.5015 |
| Longitude: | 127.0013 |
| Zip code: | 065 |
| Reverse DNS: | 121.135.188.109 |
| Timezone: | Asia/Seoul (2026-06-11 07:42 KST) |
| Class A: | 121 |
| Class B: | 121.135 |
| Class C: | 121.135.188 |
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