| Date | IP Address |
| 2014-02-26 | 54.243.149.14 (ClassC) |
| 2014-03-01 | 174.129.22.189 (ClassC) |
| 2014-03-03 | 54.225.177.28 (ClassC) |
| 2014-04-28 | 23.21.75.178 (ClassC) |
| 2015-04-15 | - |
| 2018-05-03 | 174.129.219.227 (ClassC) |
| 2021-03-01 | 35.231.61.143 (ClassC) |
| 2023-07-19 | 141.193.213.11 (ClassC) |
| 2024-05-30 | 141.193.213.10 (ClassC) |
| 2025-07-15 | 141.193.213.20 (ClassC) |
| 2026-01-29 | 141.193.213.21 (ClassC) |
| Date | Domain | IP |
| hub.illustrativemathematics.org | 2024-08-03 | 23.44.175.150 |
| tasks.illustrativemathematics.org | 2025-06-16 | 34.200.19.207 |
| assets.illustrativemathematics.org | 2024-06-27 | 204.246.191.88 |
| contact.illustrativemathematics.org | 2025-03-20 | 3.92.120.28 |
| www.illustrativemathematics.org | 2014-03-03 | 54.225.177.28 |