| Property | Value |
| Name | 615 West 131st Street |
| hostmaster@columbia.edu | |
| Address | CUIT - 5th Floor |
| City | New York, NY 10027 |
| Country | UNITED STATES |
| NameServer | DNS2.ITD.UMICH.EDU |
| Created | 1985-07-05 00:00:00 |
| Changed | 2012-12-13 00:00:00 |
| Expires | 2015-07-31 00:00:00 |
| Date | IP Address |
| 2023-06-11 | 52.217.107.235 (ClassC) |
| 2024-06-05 | 54.231.166.77 (ClassC) |
| 2024-06-08 | 52.217.171.53 (ClassC) |
| 2024-06-14 | 52.217.141.253 (ClassC) |
| 2024-06-23 | 54.231.172.133 (ClassC) |
| 2024-07-09 | 52.216.187.50 (ClassC) |
| 2024-07-25 | 54.231.168.213 (ClassC) |
| 2024-08-09 | 52.217.205.21 (ClassC) |
| 2024-08-25 | 3.5.14.167 (ClassC) |
| 2024-09-08 | 52.217.73.147 (ClassC) |
| 2024-11-17 | 16.182.66.149 (ClassC) |
| 2024-11-28 | 52.216.154.123 (ClassC) |
| 2025-02-08 | 54.231.227.181 (ClassC) |
| 2025-03-20 | 16.182.68.141 (ClassC) |
| 2025-04-07 | 3.5.24.125 (ClassC) |
| 2025-04-15 | 3.5.24.204 (ClassC) |
| 2025-06-25 | 52.216.171.74 (ClassC) |
| 2025-07-22 | 16.15.193.9 (ClassC) |
| 2025-08-30 | 16.15.176.210 (ClassC) |
| 2025-09-25 | 16.182.66.5 (ClassC) |