| IP: | 12.121.50.121 |
| Country: | |
| Region: | IL |
| City: | Chicago |
| Latitude: | 41.8835 |
| Longitude: | -87.6305 |
| Zip code: | 60602 |
| Reverse DNS: | 121.wj50.stls.chcil01r1.dsl.att.net |
| Timezone: | America/Chicago (2026-07-01 08:00 CDT) |
| Class A: | 12 |
| Class B: | 12.121 |
| Class C: | 12.121.50 |
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