| 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 |
| 2021-01-26 | 104.18.10.128 (ClassC) |
| 2021-01-26 | 104.18.11.128 (ClassC) |
| 2022-04-18 | 104.18.42.141 (ClassC) |
| 2022-04-18 | 172.64.145.115 (ClassC) |
| 2022-11-17 | 104.18.2.241 (ClassC) |
| 2022-11-17 | 104.18.3.241 (ClassC) |
| 2023-05-01 | 104.18.39.54 (ClassC) |
| 2023-05-01 | 172.64.148.202 (ClassC) |
| 2023-06-15 | 104.18.6.96 (ClassC) |
| 2023-06-15 | 104.18.7.96 (ClassC) |
| 2025-03-23 | 162.159.138.64 (ClassC) |
| 2025-03-30 | 162.159.128.65 (ClassC) |
| 2025-05-01 | 128.59.44.55 (ClassC) |