| 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 |
| 2018-12-16 | 52.72.11.3 (ClassC) |
| 2022-11-29 | 52.207.0.195 (ClassC) |
| 2024-06-09 | 44.215.84.67 (ClassC) |
| 2024-06-12 | 54.210.251.33 (ClassC) |
| 2024-06-30 | 174.129.251.47 (ClassC) |
| 2024-07-15 | 35.175.17.255 (ClassC) |
| 2024-08-01 | 34.230.156.208 (ClassC) |
| 2024-08-15 | 54.197.61.34 (ClassC) |
| 2024-08-31 | 18.204.240.92 (ClassC) |
| 2024-09-08 | 34.231.131.160 (ClassC) |
| 2024-09-13 | 184.72.226.23 (ClassC) |
| 2024-10-03 | 18.213.11.228 (ClassC) |
| 2024-10-09 | 54.145.205.223 (ClassC) |
| 2024-11-01 | 54.83.250.92 (ClassC) |
| 2024-11-17 | 52.202.71.180 (ClassC) |
| 2024-12-19 | 3.211.234.163 (ClassC) |
| 2024-12-23 | 54.162.31.86 (ClassC) |
| 2025-01-13 | 54.80.190.103 (ClassC) |
| 2025-01-17 | 34.238.61.146 (ClassC) |
| 2025-03-01 | 34.197.221.0 (ClassC) |
| 2025-03-18 | 54.235.178.212 (ClassC) |
| 2025-03-27 | 18.215.133.12 (ClassC) |
| 2025-04-01 | 67.202.21.117 (ClassC) |
| 2025-04-14 | 13.216.156.219 (ClassC) |
| 2025-05-01 | 34.206.204.248 (ClassC) |