| 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 |
| 2014-06-21 | 176.32.101.148 (ClassC) |
| 2014-06-23 | 176.32.102.44 (ClassC) |
| 2014-06-26 | 54.231.0.172 (ClassC) |
| 2014-06-30 | 176.32.99.37 (ClassC) |
| 2014-07-03 | 207.171.162.203 (ClassC) |
| 2014-07-05 | 54.231.1.156 (ClassC) |
| 2015-03-10 | 54.231.16.164 (ClassC) |
| 2015-04-01 | 54.231.1.84 (ClassC) |
| 2015-04-15 | 54.231.10.84 (ClassC) |
| 2015-07-01 | 54.231.10.68 (ClassC) |
| 2024-02-06 | 52.217.230.13 (ClassC) |
| 2024-06-24 | 52.217.138.61 (ClassC) |
| 2024-06-29 | 52.217.173.173 (ClassC) |
| 2024-07-09 | 54.231.194.45 (ClassC) |
| 2024-07-12 | 3.5.24.188 (ClassC) |
| 2024-07-24 | 52.216.153.243 (ClassC) |
| 2024-08-08 | 52.216.218.34 (ClassC) |
| 2024-08-24 | 54.231.229.109 (ClassC) |
| 2024-09-08 | 54.231.162.117 (ClassC) |
| 2024-11-14 | 54.231.128.5 (ClassC) |
| 2024-12-19 | 16.182.105.101 (ClassC) |
| 2025-02-07 | 3.5.30.55 (ClassC) |
| 2025-02-16 | 16.15.184.105 (ClassC) |
| 2025-03-13 | 52.217.168.181 (ClassC) |
| 2025-03-19 | 52.217.235.253 (ClassC) |
| 2025-04-01 | 52.217.106.171 (ClassC) |
| 2025-04-06 | 52.216.209.85 (ClassC) |
| 2025-05-05 | 52.217.135.29 (ClassC) |
| 2025-05-08 | 54.231.133.101 (ClassC) |
| 2025-05-18 | 3.5.22.80 (ClassC) |
| 2025-06-02 | 3.5.0.40 (ClassC) |