| IP: | 198.40.28.103 |
| Country: | United States (US) |
| Region: | IL |
| City: | Chicago |
| Latitude: | 41.8801 |
| Longitude: | -87.6272 |
| Zip code: | 60603 |
| Area code: | 312 |
| Reverse DNS: | 28103.artic.edu |
| Class A: | 198 |
| Class B: | 198.40 |
| Class C: | 198.40.28 |
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