| Date | IP Address |
| 2020-06-23 | 52.211.26.224 (ClassC) |
| 2020-06-23 | 52.31.139.247 (ClassC) |
| 2020-06-23 | 54.77.14.221 (ClassC) |
| 2020-06-23 | 34.250.211.102 (ClassC) |
| 2024-10-23 | 172.67.75.5 (ClassC) |
| 2025-05-02 | 104.26.12.26 (ClassC) |
| 2025-06-06 | 104.26.13.26 (ClassC) |
| Date | Domain | IP |
| email.teachcomputing.org | 2024-07-31 | 99.84.66.77 |
| curriculum.teachcomputing.org | 2024-10-23 | 172.67.75.5 |
| email-test.teachcomputing.org | 2024-08-24 | 99.84.66.26 |