| Property | Value |
| domain_admin@cengage.com | |
| NameServer | NS2.CENGAGE.NET |
| Created | 2007-06-15 00:00:00 |
| Changed | 2013-06-20 00:00:00 |
| Expires | 2017-06-15 00:00:00 |
| Registrar | PSI-USA, INC. DBA DO |
| Date | IP Address |
| 2023-08-16 | 44.212.255.71 (ClassC) |
| 2024-02-19 | 44.215.209.232 (ClassC) |
| 2024-03-15 | 54.173.109.221 (ClassC) |
| 2024-04-05 | 54.243.239.8 (ClassC) |
| 2024-04-30 | 44.219.145.95 (ClassC) |
| 2024-05-21 | 52.204.223.240 (ClassC) |
| 2024-06-14 | 23.20.18.213 (ClassC) |
| 2024-06-29 | 3.214.29.70 (ClassC) |
| 2024-07-17 | 3.219.244.86 (ClassC) |
| 2024-08-04 | 52.1.19.99 (ClassC) |
| 2024-08-25 | 34.198.0.254 (ClassC) |
| 2024-09-28 | 3.85.156.229 (ClassC) |
| 2024-10-04 | 34.233.164.125 (ClassC) |
| 2024-10-19 | 23.23.11.242 (ClassC) |
| 2024-11-18 | 3.210.231.4 (ClassC) |
| 2024-12-26 | 18.205.184.255 (ClassC) |
| 2025-01-07 | 54.88.207.117 (ClassC) |
| 2025-03-21 | 3.219.12.15 (ClassC) |
| 2025-03-30 | 3.225.138.87 (ClassC) |
| 2025-04-05 | 54.172.182.177 (ClassC) |
| 2025-04-18 | 34.234.176.215 (ClassC) |
| 2025-04-28 | 52.86.233.214 (ClassC) |
| 2025-05-01 | 52.72.222.225 (ClassC) |