| Date | IP Address |
| 2021-02-23 | 99.84.240.64 (ClassC) |
| 2021-02-23 | 99.84.240.90 (ClassC) |
| 2021-02-26 | 52.84.127.13 (ClassC) |
| 2021-02-26 | 52.84.127.85 (ClassC) |
| 2025-01-11 | 18.161.6.71 (ClassC) |
| 2025-04-14 | 18.161.6.21 (ClassC) |
| 2025-06-23 | 18.161.6.62 (ClassC) |
| 2025-09-25 | 3.169.173.20 (ClassC) |
| Date | Domain | IP |
| bouldermath.cs2n.org | 2024-10-10 | 3.165.160.38 |
| curriculum.cs2n.org | 2015-03-23 | 54.231.17.68 |
| cmra-blocks.cs2n.org | 2025-01-11 | 18.161.6.71 |
| www.cs2n.org | 2025-07-24 | 3.33.148.61 |