| 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 |
| 2018-07-22 | 52.216.84.66 (ClassC) |
| 2018-10-08 | 52.216.81.122 (ClassC) |
| 2019-04-13 | 52.216.9.10 (ClassC) |
| 2019-06-03 | 54.231.50.9 (ClassC) |
| 2020-01-06 | 52.216.240.243 (ClassC) |
| 2020-01-25 | 52.216.147.155 (ClassC) |
| 2020-09-24 | 52.217.41.19 (ClassC) |
| 2022-08-12 | 54.231.235.21 (ClassC) |
| 2023-08-21 | 52.216.220.5 (ClassC) |
| 2023-11-05 | 52.216.244.27 (ClassC) |
| 2023-12-23 | 52.216.217.205 (ClassC) |
| 2024-04-22 | 52.217.108.51 (ClassC) |
| 2024-07-02 | 52.217.14.235 (ClassC) |
| 2024-07-09 | 52.217.125.141 (ClassC) |
| 2024-07-22 | 52.217.89.195 (ClassC) |
| 2024-07-26 | 52.217.199.253 (ClassC) |
| 2024-08-10 | 54.231.134.77 (ClassC) |
| 2024-08-26 | 52.217.205.205 (ClassC) |
| 2024-09-09 | 3.5.22.194 (ClassC) |
| 2024-11-17 | 52.217.9.123 (ClassC) |
| 2024-12-09 | 52.217.133.229 (ClassC) |
| 2024-12-19 | 54.231.227.189 (ClassC) |
| 2025-02-08 | 52.216.42.197 (ClassC) |
| 2025-04-01 | 52.216.250.123 (ClassC) |
| 2025-04-07 | 52.216.217.29 (ClassC) |
| 2025-04-11 | 52.216.52.213 (ClassC) |